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Journal articles on the topic 'Silver perch'

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Author: Grafiati

Published: 10 December 2022

Last updated: 19 February 2023

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1

Gehrke, PC. "Clinotactic responses of Larval Silver Perch (Bidyanus bidyanus) and Golden Perch (Macquaria ambigua) to simulated environmental gradients." Marine and Freshwater Research 41, no. 4 (1990): 523. http://dx.doi.org/10.1071/mf9900523.

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Larval silver perch (Bidyanus bidyanus) and golden perch (Macquaria ambigua) were subjected to gradients of light, depth, flow and wood leachate from river red gum (Eucalyptus camaldulensis) as well as a control treatment with no gradient. Both species were strongly attracted to light, while golden perch larvae were also attracted to river red gum and were carried downstream by water flow. Neither species displayed any response to depth. Gradient responses of silver perch were significantly more variable (P < 0.05) than those of golden perch, which may result in silver perch larvae being more widely distributed in floodplain habitats. Golden perch larvae may be more closely associated with inundated river red gum than silver perch larvae.

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2

O'Connor, J. P., J. D. Koehn, S. J. Nicol, D. J. O'Mahony, and J. A. McKenzie. "Retention of radio tags in golden perch (Macquaria ambigua), silver perch (Bidyanus bidyanus) and carp (Cyprinus carpio)." Marine and Freshwater Research 60, no. 4 (2009): 334. http://dx.doi.org/10.1071/mf08170.

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Radio tagging and tracking are widely used to study freshwater fish; however, details of fish survival or tag retention rates are rarely reported. The results from five independent tagging trials associated with different tag attachment methods are reported in the present study. Implanted peritoneal cavity tags were trialled for two native Australia freshwater fish species (golden perch and silver perch) and introduced carp. Oesophageal and external tags were also trialled on silver perch. The results from the peritoneal cavity implantation trials in golden perch, silver perch and carp achieved an overall success rate of 81% (after 315 days), 18% (after 200 days) and 43% (after 323 days) respectively. The external attachment of radio tags to silver perch had limited success with all fish either rejecting their tags or dying before 256 days. Silver perch trialled with oesophageal tags had an overall success rate of 25% after 200 days. The trials indicate that internal tagging is suitable for longer-term radio tracking of golden perch, but further developments are required for longer-term applications to silver perch and carp. Tag rejection rates are unlikely to be constant between species or through time and this variability should be incorporated into the study design to prevent bias.

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3

Ingram, BA. "Evaluation of coded wire tags for marking fingerling golden perch, Macquaria ambigua (Percichthyidae), and silver perch, Bidyanus bidyanus (Teraponidae)." Marine and Freshwater Research 44, no. 6 (1993): 817. http://dx.doi.org/10.1071/mf9930817.

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Trials were conducted to evaluate coded wire tags for marking hatchery-produced golden perch and silver perch fingerlings prior to their release into the wild. Two size classes of fish were tagged: 'small' fish were 21-39 mm in total length and 'large' fish were 50-71 mm in total length. Tags were implanted into either the cheek muscle or the snout. Tagging rates were 200-548 fish h-1. Although tag retention in large cheek-tagged golden and silver perch was 100% after 30 days, rearing fish to this size was not practical. Retention rates for small cheek-tagged golden perch (94%) and silver perch (100%), the usual size of fingerlings when released to the wild, were considered to be sufficient for a tagging programme. Retention of tags in the snout was poor; only 6% of golden perch and 48% of silver perch retained tags after 30 days. Most cheek-implanted tags that were shed by fish during long-term tag-retention trials were lost in the first four months. With the exception of silver perch in one trial, which were infested by Ichthyophthirius multtfiliis, survival of tagged fish was 95-100% after 30 days. Factors affecting tag retention and survival of tagged fish, including fish size, tagging site and operator experience, are discussed. The results indicate that coded wire tags are a potential means of marking golden and silver perch fingerlings prior to stocking. Their use will assist fisheries managers in the assessment of the contribution of stocking programmes to commercial and recreational fisheries.

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4

Bilberg, Katrine, Hans Malte, Tobias Wang, and Erik Baatrup. "Silver nanoparticles and silver nitrate cause respiratory stress in Eurasian perch (Perca fluviatilis)." Aquatic Toxicology 96, no. 2 (January 2010): 159–65. http://dx.doi.org/10.1016/j.aquatox.2009.10.019.

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5

Guo, R., PB Mather, and MF Capra. "Salinity tolerance and osmoregulation in the silver perch, Bidyanus bidyanus Mitchell (Teraponidae), an endemic Australian freshwater teleost." Marine and Freshwater Research 46, no. 6 (1995): 947. http://dx.doi.org/10.1071/mf9950947.

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Juvenile silver perch, Bidyanus bidyanus, were subjected to direct transfer from fresh water to various test salinities. No mortality was observed when the fish were transferred from fresh water to a salinity of 12, but 40% mortality was observed at a salinity of 15 after seven days. Pre-acclimation of silver perch to a salinity of 12 for seven days resulted in only marginally better survival at higher salinities. Plasma osmotic concentrations of silver perch rose slightly in salinities below 9 but rapidly at higher salinities, following the same track as the iso-osmotic line. Minimum body water content was observed in individuals subjected to a salinity of 15 for 24 h. As found in other freshwater teleosts, chloride cells were found in the branchial epithelium of silver perch. Accessory cells were observed beside the chloride cells in both freshwater and salt-water conditions. Fish subjected to a salinity of 12 for seven days showed chloride cells with a more developed tubular system than controls. The length of the junctions between chloride cells and accessory cells was significantly shorter in fish adapted to a salinity of 12 than in controls. The ultrastructural feature of 'interdigitations' of accessory cells was not observed during salt-water adaptation. These data indicate that silver perch is the least tolerant of high salinities and the most truly freshwater Australian teleost species examined to date.

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6

Culver, DA, and MC Geddes. "Limnology of rearing ponds for Australian fish larvae: Relationships among water quality, phytoplankton, zooplankton, and the growth of larval fish." Marine and Freshwater Research 44, no. 4 (1993): 537. http://dx.doi.org/10.1071/mf9930537.

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Fertilization of earthen ponds used to rear the larvae of golden perch, Macquaria ambigua, and silver perch, Bidyanus bidyanus, resulted in phytoplankton blooms dominated by the cyanobacterium Anabaena possibly because of a low N:P ratio. There was a zooplankton succession of rotifers (mostly Brachionus), Moina, Boeckella and Mesocyclops, and then Daphnia. An increase in Daphnia correlated with a decline in Anabaena, suggesting grazing on that cyanobacterium. Golden perch larvae included copepods in their diet whereas silver perch did not, and this was reflected in lower Boeckella numbers in the golden perch ponds. There was sufficient zooplankton forage, supplemented by chironomid larvae in the later stages of the rearing ponds, for fish growth. The limnological conditions and zooplankton communities in these ponds provide a model for evaluating nursery grounds for these fish.

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7

Meijer, Adam, Paul J. M. Roholl, Jacobus M. Ossewaarde, Brian Jones, and Barbara F. Nowak. "Molecular Evidence for Association of Chlamydiales Bacteria with Epitheliocystis in Leafy Seadragon (Phycodurus eques), Silver Perch (Bidyanus bidyanus), and Barramundi (Lates calcarifer)." Applied and Environmental Microbiology 72, no. 1 (January 2006): 284–90. http://dx.doi.org/10.1128/aem.72.1.284-290.2006.

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ABSTRACT Epitheliocystis in leafy seadragon (Phycodurus eques), silver perch (Bidyanus bidyanus), and barramundi (Lates calcarifer), previously associated with chlamydial bacterial infection using ultrastructural analysis, was further investigated by using molecular and immunocytochemical methods. Morphologically, all three species showed epitheliocystis cysts in the gills, and barramundi also showed lymphocystis cysts in the skin. From gill cysts of all three species and from skin cysts of barramundi 16S rRNA gene fragments were amplified by PCR and sequenced, which clustered by phylogenetic analysis together with other chlamydia-like organisms in the order Chlamydiales in a lineage separate from the family Chlamydiaceae. By using in situ RNA hybridization, 16S rRNA Chlamydiales-specific sequences were detected in gill cysts of silver perch and in gill and skin cysts of barramundi. By applying immunocytochemistry, chlamydial antigens (lipopolysaccharide and/or membrane protein) were detected in gill cysts of leafy seadragon and in gill and skin cysts of barramundi, but not in gill cysts of silver perch. In conclusion, this is the first time epitheliocystis agents of leafy seadragon, silver perch and barramundi have been undoubtedly identified as belonging to bacteria of the order Chlamydiales by molecular methods. In addition, the results suggested that lymphocystis cysts, known to be caused by iridovirus infection, could be coinfected with the epitheliocystis agent.

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8

Frances, J., R. Tennent, and B. F. Nowak. "Epitheliocystis in silver perch, Bidyanus bidyanus (Mitchell)." Journal of Fish Diseases 20, no. 6 (November 1997): 453–57. http://dx.doi.org/10.1046/j.1365-2761.1997.00326.x.

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9

Rowland, Stuart J. "Domestication of Silver Perch,Bidyanus bidyanus, Broodfish." Journal of Applied Aquaculture 16, no. 1-2 (December 22, 2004): 75–83. http://dx.doi.org/10.1300/j028v16n01_06.

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10

Willett, DJ. "Use of scale patterns to evaluate stocking success of silver perch, Bidyanus bidyanus (Mitchell), released at two different sizes." Marine and Freshwater Research 47, no. 5 (1996): 757. http://dx.doi.org/10.1071/mf9960757.

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A study was conducted to determine relative success of stocking silver perch (Bidyanus bidyanus) at two different sizes: 35 mm and 50 mm total length. By purposeful manipulation of growth rates of pre-stocked fish it was possible to induce unique markers in scale circulus patterns, thus differentially marking the two size-groups. The scale circulus data were acquired with automated video-digitizing equipment. Both size-classes were stocked into two south-eastern Queensland impoundments. Relative stocking success after two years was quantified by sampling surviving silver perch and using discriminant function analysis to assign individuals to their respective size-at-release groups. Relative survival of fish stocked at 35 mm and at 50 mm was not significantly different in either impoundment. Post-stocking growth rates of 35 mm fish were not compromised due to their smaller size at release. From a management perspective, this suggests that 35 mm is a more cost-effective release size of silver perch than 50 mm. This trial demonstrates the feasibility of using scale circulus patterns to differentially mark multiple groups of fingerlings for such controlled experiments.

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11

Hossain, MN, MGM Jamil, MM Mia, MN Uddin, and MA Mansur. "Studies on the Proximate Composition, Quality and Heavy Metal Concentration of two Sun-Dried Marine Fish (Sun-Dried Silver Pomfret and Sun-Dried Perch) of Cox’s Bazar District of Bangladesh." Journal of Environmental Science and Natural Resources 10, no. 1 (November 28, 2017): 25–32. http://dx.doi.org/10.3329/jesnr.v10i1.34690.

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This research was conducted on the proximate composition, quality aspect and heavy metal concentration of sun-dried Silver Pomfret (Stromateus cinereus) and sun-dried Perch (Lates calcarifer) which were collected from local market of Cox‟s Bazar town. These sun-dried marine fishes were collected from the stock after first drying procedure. Organoleptically most of these sun-dried fishes were in „excellent‟ grade some were in „Good‟ grade. Crude Protein, Lipid, Moisture, Ash, TVB-N and TMA-N content (%) of sun-dried Silver Pomfret (Stromateus cinereus) was 32.25±1.50, 7.75±0.20, 39.59±0.34, 15.75±0.39, 85.68±1.60 and 8.41±0.37 respectively. Whereas in sun-dried Perch (Lates calcarifer) the content (%) of Crude Protein, Lipid, Moisture, Ash, TVB-N and TMA-N was 40.31±2.13, 5.03±0.55, 26.74±0.47, 11.50±0.26, 46.97±1.00 and 8.21±0.12 respectively. Heavy metal concentration i.e. Cd, Cr, Pb, Cu and Zn concentration (ppm) in sun-dried Silver Pomfret (Stromateus cinereus) was 0.68, 5.85, 8.43, 1.15, 24.93 ppm. Whereas heavy metal concentration (ppm) in sun-dried Perch (Lates calcarifer) was Cd 0.65 ppm, Cr 5.6 ppm, Pb 6.28 ppm, Cu 1.04 ppm, Zn 23.8 ppm.J. Environ. Sci. & Natural Resources, 10(1): 25-32 2017

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12

Tonkin, Zeb, Ivor Stuart, Adrian Kitchingman, Jason D. Thiem, Brenton Zampatti, Graeme Hackett, Wayne Koster, et al. "Hydrology and water temperature influence recruitment dynamics of the threatened silver perch Bidyanus bidyanus in a regulated lowland river." Marine and Freshwater Research 70, no. 9 (2019): 1333. http://dx.doi.org/10.1071/mf18299.

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Understanding the influence of extrinsic factors such as hydrology and hydraulics on recruitment provides essential insight to inform management of fish populations. The critically endangered silver perch Bidyanus bidyanus is a long-lived, potamodromous pelagophil endemic to Australia’s Murray–Darling Basin. Declines of this species are often attributed to river regulation, although quantitative studies linking hydrology and hydraulics to key aspects of its life cycle are sparse. We used a multidecadal age-structured dataset collected from a locally abundant population of silver perch to quantify the relative importance of different abiotic drivers on year-class strength (recruitment). Silver perch recruited across highly variable hydrological conditions. The strongest year classes were associated with a combination of low to average river discharge (i.e. within channel) and high water temperatures over the peak spawning period, followed in the next year by extended high flows and widespread flooding that promoted survival of age-1+ juvenile fish. We suggest that conditions affecting the growth and dispersal of juvenile fish, in addition to the spawning period, are critical in governing recruitment dynamics. This highlights the need for multiyear flow plans for freshwater fish populations.

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13

Martin, Jonathan D., Tash-Lynn L. Colson, Valerie S. Langlois, and Chris D. Metcalfe. "Biomarkers of exposure to nanosilver and silver accumulation in yellow perch (Perca flavescens)." Environmental Toxicology and Chemistry 36, no. 5 (November 7, 2016): 1211–20. http://dx.doi.org/10.1002/etc.3644.

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14

Guerrero III, Rafael. "Commercially Caught Freshwater Fishes in the Philippines: Status, Issues, and Recommendations." Transactions of the National Academy of Science and Technology 44, no. 2022 (January 2023): 1–15. http://dx.doi.org/10.57043/transnastphl.2022.2568.

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The Philippines is endowed with 406,328 hectares of inland waters consisting of lakes, marshes, and reservoirs. In 2018, the production of inland fisheries in the country was 164,835 metric tons (3.8% of total fisheries production) with a value of PHP 5.8 billion. This study was conducted to determine the status of commercially caught freshwater fishes in major inland waters based on available data, literature, and information from key informants and personal observations, and identify issues and recommend strategies for the sustainability of such fishes. Results of the analyses showed that the top 10 commercially caught freshwater fishes in 2017 were tilapia (50%), carp (16.4%), mudfish (11.0%), Asiatic catfish (6.6%), gourami (5.0%), white goby (3.8%), Manila catfish (2.6%), climbing perch (2.4%), silver perch (1.7%), and freshwater sardine (1.5%). Between 2005 and 2017, the highest increases in production were for the freshwater sardine (+49.7%), Asiatic catfish (+41.6%), and carp (+32.5%) while the highest decreases were for the silver perch (-69.8%), white goby (-39.5%), and Manila catfish (-26.6%). There was an average annual increase of 4.2% in the production of the 10 fishes for 2005-2017. The tilapia, mudfish, Asiatic catfish, and climbing perch were found in all regions of the country while the carp, gourami, white goby, Manila catfish, and silver perch were found in most regions. The freshwater sardine, on the other hand, was only found in the Lake Taal of Region IV-A (CALABARZON). The major issues threatening the sustainability of freshwater fishes were identified as overfishing, water pollution, invasive fishes, and environmental degradation. Recommendations for addressing such issues include the imposition of a closed fishing season, strict implementation of water quality standards, firm enforcement of rules and regulations for foreign/exotic fishes, and the reforestation of denuded forests.

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15

Mallen-Cooper, M. "Swimming ability of adult golden perch, Macquaria ambigua (Percichthyidae), and adult silver perch, Bidyanus bidyanus (Teraponidae), in an experimental vertical-slot fishway." Marine and Freshwater Research 45, no. 2 (1994): 191. http://dx.doi.org/10.1071/mf9940191.

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The swimming abilities of adult golden perch, Macquaria ambigua (Richardson) (Percichthyidae) (441�16 mm, mean total length+s.d.), and adult silver perch, Bidyanus bidyanus (Mitchell) (Teraponidae) (258 �10 mm, mean fork length � s.d.), were tested in an experimental vertical-slot fishway. These two Australian species are potamodromous, and the adult fish move upstream large distances. Golden perch readily used the vertical-slot fishway, and a 20-min NV90 (the maximum water velocity that 90% of the fish in a sample can negotiate in 20 min) of 1.83 m s-1 (95% confidence limits 1.43-2.03 m s-1) is recommended for fishway design in the Murray-Darling river system. This velocity equates to a 171-mm step height between fishway pools and should be applied to a minimum pool size of 3 m (length) by 2 m (width) to avoid excessive turbulence. Lower velocities and larger pools might be necessary for long fishways or where there are large migrations of fish. Some silver perch used the fishway, but the results for this species were inconclusive. Fish were re-used at different velocities during the experiment, and a learning trial indicated that the number of fish negotiating the fishway increased with repeated use of the fish.

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16

Bilberg, Katrine, Kjell B. Døving, Kristian Beedholm, and Erik Baatrup. "Silver nanoparticles disrupt olfaction in Crucian carp (Carassius carassius) and Eurasian perch (Perca fluviatilis)." Aquatic Toxicology 104, no. 1-2 (July 2011): 145–52. http://dx.doi.org/10.1016/j.aquatox.2011.04.010.

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17

Navarro, Anna, Craig A. Boys, Wayne Robinson, Lee J. Baumgartner, Brett Miller, Zhiqun D. Deng, and C. Max Finlayson. "Tolerable ranges of fluid shear for early life-stage fishes: implications for safe fish passage at hydropower and irrigation infrastructure." Marine and Freshwater Research 70, no. 11 (2019): 1503. http://dx.doi.org/10.1071/mf18131.

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Egg and larval fish drifting downstream are likely to encounter river infrastructure leading to mortality. Elevated fluid shear is one likely cause. To confirm this and determine tolerable strain rates resulting from fluid shear, egg and larvae of three Australian species were exposed to a high-velocity, submerged jet in a laboratory flume. Mortality was modelled over a broad range of strain rates, allowing critical thresholds to be estimated. Eggs were very susceptible to mortality at low strain rates and 100% of golden and silver perch died once strain rate exceeded 629 and 148s–1 respectively. Larvae were less vulnerable than eggs, but mortality increased at higher strain rates and at younger ages. Most ages of larvae will be protected if strain rate does not exceed 600s–1, although a lower guideline of less than 400s–1 may be needed in areas where very early stage Murray cod larvae drift. Golden perch and silver perch were not susceptible to shear once maturity reached ~25 days post-hatch (nearing juvenile metamorphosis). The thresholds described here will prove useful when refining design and operational guidelines for hydropower and irrigation infrastructure to improve fish survival.

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18

Frances, Jane, Barbara F. Nowak, and Geoff L. Allan. "Effects of ammonia on juvenile silver perch (Bidyanus bidyanus)." Aquaculture 183, no. 1-2 (March 2000): 95–103. http://dx.doi.org/10.1016/s0044-8486(99)00286-0.

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19

Kabdolov, Zh, K. Tursunkhanov, A. Kasymkhanov, I. Pritykin, and Kabdolova G. "Ichthyofauna of some reservoirs of local significance in Aksu district, Pavlodar region." BIOLOGICAL SCIENCES OF KAZAKHSTAN 2 (June 2021): 28–52. http://dx.doi.org/10.52301/1684-940x-2021-2-28-52.

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In 2020, research works were carried out on seven reservoirs of local significance in Aksu district, Pavlodar region. These are Lake Komendant, Lake Krasnoe, Lake Lesnoe, Lake Topalevoe, Lake Kara Murza, Lake Baltazhar and the Karasu Channel. In these reservoirs, the ichthyological composition was studied, such fish species as pike (Esox lucius L., 1758), silver carp (C. gibelio (Bloch, 1782)), golden carp (Carassius carassius (L., 1758)), rotan (Perccottus glenii Dybowski), tench (Tinca tinca (L., 1758)), perch (Perca fluviatilis L. ,1758), roach (Rutilus rutilus (L., 1758)), carp (Cyprinus carpio L.,1758), and bream (Abramis brama (L., 1758)). The species of fish included in the Red Book of the Republic of Kazakhstan, as well as rare or endangered, are not marked in the research catches of the studied reservoirs.

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20

Barabanov, Vitali Victorovich, and Valentina Anatolievna Izherskaya. "Evaluation of freshwater ichthyofauna of the Volga-Akhtuba floodplain at current stage (2018-2019)." Vestnik of Astrakhan State Technical University. Series: Fishing industry 2020, no. 2 (June 30, 2020): 52–58. http://dx.doi.org/10.24143/2072-9502-2020-2-52-58.

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The article assesses the state of freshwater ichthyofauna of the Volga-Akhtuba floodplain (VAP) in the modern period. A retrospective analysis of the dynamics of the composition of the ichthyofauna of the floodplain under the influence of different fishing regimes was carried out. The increasing role of amateur fishing in this process has been defined. There has been defined the orientation of changes including increasing pressure on the most valuable fish species (perch, brim, pike perch, sazan and perch), unstable hydrological regime of the Lower Volga during the repro-duction period, growth of illegal, unreported and unregulated fishing, etc. The values of the qualitative and quantitative composition of net catches of fish are given. The extrapolation method assuming a uniform distribution of the ichthyofauna calculated the commercial stock of freshwater ichthyofauna of the floodplain. It has been noted that in the stock structure of the Volga-Akhtuba floodplain there dominate the typical river species, more than 50% of which are presented by bream, crucian carp, sabrefish and blue bream. In the context of the limited extraction (catch) of aquatic biological resources by industrial fisheries, the commercial stock of semi-migratory and river fish in the Volga-Caspian and North Caspian fishery subareas due to the unaccounted stocks of the Volga-Akhtuba floodplain can be increased by 10%, and for such fish as pike perch – by 13%, crucian carp – by 15%, silver breeds, bersh, silver carp and grass carp – by 50%, zope and sabrefish – by 100%, roach – by 200%. The commercial stock is currently being developed by amateur fishing, the volumes of which do not undermine the reproductive potential of the freshwater ichthyofauna of the Volga-Akhtuba floodplain.

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21

Hanke, MH, and KJ Smith. "Tolerance and response of silver perch Bairdiella chrysoura to hypoxia." Aquatic Biology 14, no. 1 (December 6, 2011): 77–86. http://dx.doi.org/10.3354/ab00384.

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22

Allan, G. L., R. J. Johnson, M. A. Booth, and D. A. J. Stone. "Estimating digestible protein requirements of silver perch, Bidyanus bidyanus Mitchell." Aquaculture Research 32, no. 5 (May 2001): 337–47. http://dx.doi.org/10.1046/j.1365-2109.2001.00562.x.

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23

Hunter, Belinda J., Geoff L. Allan, and David C. K. Roberts. "Meat Meal Replacement in Diets for Silver Perch,Bidyanus bidyanus." Journal of Applied Aquaculture 10, no. 3 (September 2000): 51–67. http://dx.doi.org/10.1300/j028v10n03_05.

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24

Vasilyeva, L. M., J. M. Ramazanova, A. Z. Anokhina, and N. V. Sudakova. "Modern assessment of the state of the fish fauna in the northern part of Agrakhanskaya bay, river Dagestan." Rybovodstvo i rybnoe hozjajstvo (Fish Breeding and Fisheries), no. 12 (December 5, 2022): 788–98. http://dx.doi.org/10.33920/sel-09-2212-01.

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The northern part of the Agrakhan Bay is of great fishery importance for the Tersko-Caspian region of the Dagestan, there are the main spawning grounds foralmost all types of fish, including valuable passing and semi-passing (roach, bream, carp, pike perch) as well as freshwater (perch, pike, catfish, rudd, silver crucian, gustera and perch). Studies were conducted to assess the qualitative structure of populations of commercial fish species in 2021, age and morpho-biological indicators were studied, as well as the sex ratio of semi-migratory fish species (for example, roach and walleye) and freshwater (perch and rudd). The results obtained indicate that all aquatic fish were in satisfactory condition, and semi-aquatic (roach, bream, carp and pike perch) — to a lesser extent met the required qualities. Younger age groups (3–5 years old) dominated in the structure of semi-passable fish — roach and walleye, which accounted for over 50%, males dominated in younger age groups, unlike older (6–8 years old), the proportion of females was over 80%. According to morpho-biological parameters, the roach and pike perch were superior to the Volga fish of the same species, and in terms of fatness by almost 2.5 times. Freshwater fish (perch, rudd) were represented by five age categories, of which 3–4-year-olds accounted for over 60%. In the qualitative structure of the perch of 2021, the indicators of length, weight and fatness were worse than the individuals caught in 2020. Morphometric indicators of the rudd had no significant discrepancies with the data of the previous year, which once again confirms the absence of the influence of the hydrological regime on the number and biological indicators of this little whimsical fish species.

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25

Sulaeman, Sulaeman, and Ravi Fotedar. "REPRODUCTIVE PERFORMANCE OF DOMESTICATED BROODSTOCK OF SILVER PERCH, Bidyanus bidyanus (MITCHELL 1838) AND THE RELATIONSHIP BETWEEN OIL GLOBULE FRAGMENTATION AND EGG QUALITY." Indonesian Aquaculture Journal 12, no. 2 (December 13, 2017): 43. http://dx.doi.org/10.15578/iaj.12.2.2017.43-51.

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The experiments investigated the reproductive performance of the domesticated broodstock of the silver perch and the relationship between various degrees of oil globule fragmentation and egg quality. Six years old of second generation broodstock (n=3) were evaluated based on the fecundity, fertilisation rate, hatching rate, the degree of oil fragmentation of egg, and the quality of embryos and larvae produced. The fragmentation were grouped into three categories: un-fragmented (cat-1), moderately fragmented (cat-2), and highly fragmented (cat-3). The results showed that the broodstock had a relatively high fecundity (132,400 ± 7,22), fertilization rate (94.27 ± 1.28%), and hatching rates (87.94 ± 1.23%). The survival rate of larvae at 12 days post hatching (dph) in cat-1 (71.3 ± 0.9%) was higher than cat-2 (66.7 ± 0.9%) whereas cat-2 was higher than cat-3 (61.3 ± 0.3%). The eggs was dominated by cat-1 (78.11 ± 2.44%) which was significantly higher than cat-2 (21.26 ± 2.45%) and cat-3 ones (0.40 ± 0.21%). The survival rate of embryo at 20 hours post spawning (hps) and hatching rate of cat-1 (95.33 ± 0.00% and 93.33 ± 0.00%) and cat-2 (90.00 ± 0.00% and 85.00 ± 0.00%) were significantly higher than cat-3 (72.33 ± 1.76% and 60.33 ± 0.00%). The total length (TL) of the larvae of cat-1 and cat-2 (8.44 ± 0.21 mm and 8.35 ± 0.23 mm respectively) were significantly higher than larvae of cat-3 (7.09 ± 0.14 mm). No significant difference was found in the larval deformities among any categories. In conclusion, the reproductive performance of six year-old broodstock silver perch showing acceptable performance and egg categorisation based on oil globule fragmentation can be used as a useful tool to indicate eggs quality of silver perch.

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Allan, Geoff L., Stuart J. Rowland, Scott Parkinson, David A. J. Stone, and Wimol Jantrarotai. "Nutrient digestibility for juvenile silver perch Bidyanus bidyanus: development of methods." Aquaculture 170, no. 2 (January 1999): 131–45. http://dx.doi.org/10.1016/s0044-8486(98)00397-4.

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Yang, Shuenn-Der, Fu-Guang Liu, and Chyng-Hwa Liou. "Assessment of dietary lysine requirement for silver perch (Bidyanus bidyanus) juveniles." Aquaculture 312, no. 1-4 (February 2011): 102–8. http://dx.doi.org/10.1016/j.aquaculture.2010.12.011.

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Hamilton, Serena H., Carmel A. Pollino, and Keith F. Walker. "Regionalisation of freshwater fish assemblages in the Murray–Darling Basin, Australia." Marine and Freshwater Research 68, no. 4 (2017): 629. http://dx.doi.org/10.1071/mf15359.

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Regionalisations based on species assemblages are a useful framework for characterising ecological communities and revealing patterns in the environment. In the present study, multivariate analyses are used to discern large-scale patterns in fish assemblages in the Murray–Darling Basin, based on information from the Murray–Darling Basin Authority’s first Sustainable Rivers Audit (SRA), conducted in 2004–2007. The Basin is classified into nine regions with similar historical fish assemblages (i.e. without major human intervention), using data that combine expert opinion, museum collections and historical records. These regions are (1) Darling Basin Plains, (2) Northern Uplands, (3) Murray Basin Plains, (4) Northern Alps, (5) Central East, (6) Avoca Lowland, (7) Southern Slopes, (8) Southern Alps and (9) South-Western Slopes. Associations between assemblages and physical variables (catchment area, elevation, hydrology, precipitation, temperature) are identified and used to reinforce the definitions of regions. Sustainable Rivers Audit data are compared with the historical assemblages, highlighting species whose range and abundance have changed since the early 19th century. Notable changes include declines in native species such as silver perch, river blackfish, mountain galaxias, Macquarie perch, trout cod and freshwater catfish, and the advent of alien species including common carp, eastern gambusia, goldfish, redfin perch, brown trout and rainbow trout. Less significant declines are evident for native carp gudgeons, golden perch, two-spined blackfish, bony herring and flathead gudgeon. Changes are evident even in regions where habitats have been little disturbed in the past 200 years.

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Arora, Sumitra, and Anu Kumar. "Mixture toxicity assessment of selected insecticides to silver perch fingerling, Bidyanus bidyanus." Ecotoxicology and Environmental Safety 226 (December 2021): 112790. http://dx.doi.org/10.1016/j.ecoenv.2021.112790.

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30

Booth, Mark A., Geoff L. Allan, Jane Frances, and Scott Parkinson. "Replacement of fish meal in diets for Australian silver perch, Bidyanus bidyanus." Aquaculture 196, no. 1-2 (May 2001): 67–85. http://dx.doi.org/10.1016/s0044-8486(00)00578-0.

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Stone, David A. J., Geoff L. Allan, Scott Parkinson, and Stuart J. Rowland. "Replacement of fish meal in diets for Australian silver perch, Bidyanus bidyanus." Aquaculture 186, no. 3-4 (June 2000): 311–26. http://dx.doi.org/10.1016/s0044-8486(99)00381-6.

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32

Allan, G. L., S. J. Rowland, C. Mifsud, D. Glendenning, D. A. J. Stone, and A. Ford. "Replacement of fish meal in diets for Australian silver perch, Bidyanus bidyanus." Aquaculture 186, no. 3-4 (June 2000): 327–40. http://dx.doi.org/10.1016/s0044-8486(99)00382-8.

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33

Martin, Jonathan D., Paul C. Frost, Holger Hintelmann, Karla Newman, Michael J. Paterson, Lauren Hayhurst, Michael D. Rennie, Marguerite A. Xenopoulos, Viviane Yargeau, and Chris D. Metcalfe. "Accumulation of Silver in Yellow Perch (Perca flavescens) and Northern Pike (Esox lucius) From a Lake Dosed with Nanosilver." Environmental Science & Technology 52, no. 19 (September 4, 2018): 11114–22. http://dx.doi.org/10.1021/acs.est.8b03146.

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34

Alam, Mostafa, and Theresa L. Frankel. "Gill ATPase activities of silver perch, Bidyanus bidyanus (Mitchell), and golden perch, Macquaria ambigua (Richardson): Effects of environmental salt and ammonia." Aquaculture 251, no. 1 (January 2006): 118–33. http://dx.doi.org/10.1016/j.aquaculture.2005.05.028.

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35

Salgado-Ugarte, Isaías Hazarmabeth. "Reproduction and Condition Indices-Body Structures Adjusted Means Comparison of Silver Perch (Bairdiella chrysoura) from Tampamachoco Lagoon, Northeastern Mexico." International Journal of Zoology and Animal Biology 5, no. 3 (2022): 1–13. http://dx.doi.org/10.23880/izab-16000384.

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Background: The study of reproduction and condition are fundamental topics in fisheries science. To this aim, there are several methods including Gonadosomatic index, Condition factors (Fulton, Ricker, relative) and hepatosomatic index. These traditional methods present several drawbacks (ratio indices with variability and distribution problems; assumption of linear relationships and of independence from length, focus on the intercept of linear models, etc.). In this study, we present an application of the multivariate analysis of covariance (MANCOVA) to analyze reproduction and condition of Bairdiella chrysoura from Tampamachoco Lagoon compared with some traditional indexes. Methods: This comparison takes into account the biological data (lengths and weights) collection of 9,505 individuals of B. chrysoura registered during an annual period (May 1990- June 1991) at five localities in the Western side of the Tampamachoco Lagoon, Mexico. We compared Gonadosomatic index, Relative Condition Factor and Hepatosomatic index values to lengthadjusted means of gonad, eviscerated and liver weights from the multivariate analysis of covariance (MANCOVA) of females, males and indeterminate sex individuals. Results: High gonad, low hepatic and condition mean values (adjusted by MANCOVA) indicated the spawning period (February to March). The opposite trend among gonad weight with both, liver and somatic weights appears to indicate the metabolism focusing on gonad development for the onset of the spawning season. The patterns described by the adjusted means from MANCOVA were highly correlated and synchronic to the traditional index values. Conclusions: Therefore, the length-adjusted mean values of gonad, eviscerated body, and liver weights represent a useful alternative to the common ratio based estimators.

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Volodina, Viktoriya V., V. V. Proskurina, T. A. Solokhina, E. A. Voronina, and A. V. Konkova. "Fishes from the Volga-Caspian basin - vectors of pathogens of anthropozoonoses." Hygiene and sanitation 95, no. 6 (October 28, 2019): 517–20. http://dx.doi.org/10.18821/0016-9900-2016-95-6-517-520.

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In the Volga-Caspian region there is abundant variety of parasitic species from different systematic groups. Some species ofparasites can be pathogenic not only for fish, but also for human that is why studies on the infection rate of commercial fish species by agents of are very topical for today. The work presents materials on invasiveness by the sanitary-significant helminthes of sheat fish, pike-perch, perch, pike, bream, Caspian roach, red-eye, sabrefish, silver bream, anchovy and ordinary kilka, herring, Caspian shad, black-backed shad. In parasite cenoses of all studied representatives of ichthyofauna there were from one to four species of helminthes which are pathogenic for human and warm-blooded animals. The obtained data indicate to the functioning and active circulation of natural foci of invasion ofAnisacidosis, Eustrongylidosis, apophallosis, rossicotremosis, corynosomosis, opisthorchiasis and pseudamphistomosis in the delta and avan-delta of the Volga River, which, in turn, points to the sanitary trouble of the Volga Caspian region.

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Buller, Nicky. "Diseases of aquaculture." Microbiology Australia 37, no. 3 (2016): 103. http://dx.doi.org/10.1071/ma16035.

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The value of production of aquaculture in Australia is around $990 million1 and consists of cultivation of over 40 species, most for food, but others such as pearl oysters and crocodiles are cultured for products for the fashion industry. A number of finfish are grown for food including salmon, barramundi, and silver perch, and other species include prawns, marron, abalone, oysters and mussels, whereas southern bluefin tuna are caught from the wild and farmed until they reach market size. A number of species are being investigated for aquaculture and these include octopus and sea cucumber.

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38

Sridonpai, Piyanut, Kunchit Judprasong, Nichaphan Tirakomonpong, Preecha Saetang, Prapasri Puwastien, Nipa Rojroongwasinkul, and Boonsong Ongphiphadhanakul. "Effects of Different Cooking Methods on the Vitamin D Content of Commonly Consumed Fish in Thailand." Foods 11, no. 6 (March 12, 2022): 819. http://dx.doi.org/10.3390/foods11060819.

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This study determined vitamin D content in commonly consumed fish in Thailand and the effects of different cooking methods on vitamin D retention. Five species of freshwater fish and four species of marine fish were purchased from three representative markets. All of the fish were individually prepared according to common household practices. Vitamin D2 and D3 were determined using the HPLC standard method (AOAC method 995.05). The results indicated that vitamin D3 was the only detectable form of vitamin D in the fish. Vitamin D content of raw freshwater fish ranged from 2.42 to 48.5 µg per 100 g edible portion (EP), which was higher than that of raw marine fish (2.94 to 4.69 µg per 100 g EP). Common silver barb, Red Nile tilapia, and Nile tilapia (freshwater fish living in the limnetic zone) contained high levels of vitamin D (48.5 ± 26.5, 31.0 ± 7.7, and 19.8 ± 3.5 µg per 100 g EP, respectively). Boiled fish (except for Common silver barb), fried fish (except for Striped snakehead, Walking catfish, and Common silver barb), and grilled fish (except for Common silver barb, Giant sea perch, and Short-bodied mackerel) retained high levels of vitamin D, which were not significantly different (p > 0.05) from raw fish. Common silver barb, Red Nile tilapia, and Nile tilapia—cooked by boiling, frying, and grilling—are recommended for consumption as excellent sources of vitamin D.

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39

Boys, C. A., L. J. Baumgartner, and M. Lowry. "Entrainment and impingement of juvenile silver perch,Bidyanus bidyanus, and golden perch,Macquaria ambigua, at a fish screen: effect of velocity and light." Fisheries Management and Ecology 20, no. 4 (February 18, 2013): 362–73. http://dx.doi.org/10.1111/fme.12026.

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40

Dorogin, M. A., L. S. Vizer, T. A. Balatskaya, and Yu V. Sharukha. "Assessment of the state of aquatic bioresources and the feasibility of involving floodplain lakes of the Ob river in the upper reaches of the Novosibirsk hydroelectric power station in fishing." Rybovodstvo i rybnoe hozjajstvo (Fish Breeding and Fisheries), no. 1 (January 16, 2023): 31–41. http://dx.doi.org/10.33920/sel-09-2301-03.

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An overview of typical lakes of the floodplain system of the river is presented. Ob in the upper reaches of the Novosibirsk hydroelectric power station. Data on the species structure, abundance and biomass of zooplankton, zoobenthos and fish are presented. Most of the lakes of the left-bank floodplain of the Ob have an elongated channel-like shape and a constant hydrological connection with the channels of the Ob river. The lakes are located in a low floodplain and are completely flooded by flood waters even in low-water years. The area of the lakes does not exceed 40 hectares. The zooplankton of the lakes is represented by 16 species, the total number varied from 360 copies/m3 (lake Epanchino) to 36 530 copies/m3 (lake Komendantskoye), the biomass was 13.8–229.0 mg/m3. According to the development of zooplankton, all the floodplain lakes studied belong to low-feeding, ultra-oligotrophic type reservoirs, the lowest productivity class. 13 species were found in the zoobenthos of floodplain lakes, the total number varied from 172 specimens/m2 (lake Chernoe) to 860 specimens/m2 (lake Baigachevskoe), biomass — from 0.513 to 4.196 g/m2. On the development of zoobenthos lake. Epanchino refers to medium–fed, mesotrophic type reservoirs, the other three — to low-fed, oligotrophic type reservoirs, low productivity class. The main species of ichthyofauna of floodplain lakes are pike (Esox lucius Linnaeus), river perch (Perca fluviatilis Linnaeus) and silver carp (Carassius gibelio Bioch). Pike at the age of 3+ — 4+ years dominates in lake populations, perch — 2+ years. The biomass of the ichthyofauna is 15,3–45,8 kg/ha. According to the ichthyomass, floodplain lakes of the lower reaches belong to the oligotrophic and mesotrophic type of reservoirs, low and medium productivity class.

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Hales, L. Stanton, and Dorset H. Hurley. "Validation of Daily Increment Formation in the Otoliths of Juvenile Silver Perch, Bairdiella chrysoura." Estuaries 14, no. 2 (June 1991): 199. http://dx.doi.org/10.2307/1351694.

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42

WILLETT, D. J. "Discrimination between hatchery stocks of silver perch, Bidyanus bidyanus (Mitchell), using scale growth patterns." Aquaculture Research 24, no. 3 (May 1993): 347–54. http://dx.doi.org/10.1111/j.1365-2109.1993.tb00556.x.

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43

Mifsud, Charlie, and Stuart J. Rowland. "Use of salt to control ichthyophthiriosis and prevent saprolegniosis in silver perch,Bidyanus bidyanus." Aquaculture Research 39, no. 11 (April 23, 2008): 1175–80. http://dx.doi.org/10.1111/j.1365-2109.2008.01981.x.

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44

Frances, Jane, Geoff L. Allan, and Barbara F. Nowak. "The effects of nitrite on the short-term growth of silver perch (Bidyanus bidyanus)." Aquaculture 163, no. 1-2 (April 1998): 63–72. http://dx.doi.org/10.1016/s0044-8486(98)00219-1.

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45

Rowland, Stuart J. "Preliminary Evaluation of the Australian Freshwater Fish Silver Perch,Bidyanus bidyanus,for Pond Culture." Journal of Applied Aquaculture 4, no. 1 (July 1994): 39–48. http://dx.doi.org/10.1300/j028v04n01_04.

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46

Lategan, M. J., F. R. Torpy, and L. F. Gibson. "Biocontrol of saprolegniosis in silver perch Bidyanus bidyanus (Mitchell) by Aeromonas media strain A199." Aquaculture 235, no. 1-4 (June 2004): 77–88. http://dx.doi.org/10.1016/j.aquaculture.2003.09.014.

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47

Sulaeman and Ravi Fotedar. "Masculinization of silver perch ( Bidyanus bidyanus Mitchell 1838) by dietary supplementation of 17α-methyltestosterone." Egyptian Journal of Aquatic Research 43, no. 1 (March 2017): 109–16. http://dx.doi.org/10.1016/j.ejar.2016.10.002.

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48

Guo, R., P. Mather, and M. F. Capra. "Effect of salinity on the development of silver perch (Bidyanus bidyanus) eggs and larvae." Comparative Biochemistry and Physiology Part A: Physiology 104, no. 3 (March 1993): 531–35. http://dx.doi.org/10.1016/0300-9629(93)90460-l.

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49

Lee, Mon-Chien, Yi-Ju Hsu, Yu-Qian Lin, Ling-Ni Chen, Mu-Tsung Chen, and Chi-Chang Huang. "Effects of Perch Essence Supplementation on Improving Exercise Performance and Anti-Fatigue in Mice." International Journal of Environmental Research and Public Health 19, no. 3 (January 20, 2022): 1155. http://dx.doi.org/10.3390/ijerph19031155.

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Silver perch (Bidyanus bidyanus) has many nutrition and health benefits, being a rich source of macro and micronutrients, phospholipids, polyunsaturated fatty acids, and a variety of essential minerals while having a high protein content. In addition to direct consumption, it is often made into a soup as an important nutritional supplement for strengthening the body and delaying fatigue. By extracting the essence, its quality can be controlled, and it is convenient to supplement. This study aimed to evaluate the effect of supplementation with Santé premium silver perch essence (SPSPE) on improving exercise performance and anti-fatigue. Fifty male institute of cancer research (ICR) mice were divided into five groups (n = 10/group): (1) vehicle (vehicle control or water only), (2) isocaloric (0.93 g casein/kg/mice/day), (3) SPSPE-1X (0.99 g/kg/mice/day), (4) SPSPE-2X (1.98 g/kg/mice/day), and (5) SPSPE-5X (4.95 g/kg/mice/day). A sample or an equal volume of liquid was fed orally for four consecutive weeks. Grip strength and swimming exhaustion tests were used as exercise performance assessments. After 10 and 90 min of unloaded swimming, biochemical parameters of fatigue were evaluated. We found that supplementation with SPSPE for four consecutive weeks could significantly improve mice’s grip strength, exercise endurance performance, and glycogen content (p < 0.05), and significantly reduced post-exercise fatigue biochemical parameters, such as lactate, blood ammonia (NH3), blood urea nitrogen (BUN) concentration, and muscle damage index creatine kinase (CK) activity (p < 0.05). In summary, supplementation with SPSPE for 4 weeks could effectively improve exercise performance, reduce sports fatigue, and accelerate fatigue recovery. In addition, it did not cause any physiological or histopathological damage.

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Sulaeman and Ravi Fotedar. "Effect of Dietary Estradiol-17β on the Feminization of Silver Perch,Bidyanus bidyanus(Mitchell, 1838)." Journal of the World Aquaculture Society 48, no. 3 (August 19, 2016): 444–52. http://dx.doi.org/10.1111/jwas.12352.

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