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Journal articles on the topic 'Gambusia holbrooki'

Author: Grafiati

Published: 4 June 2021

Last updated: 20 February 2023

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1

Komak, Spogmai, and Michael R. Crossland. "An assessment of the introduced mosquitofish (Gambusia affinis holbrooki) as a predator of eggs, hatchlings and tadpoles of native and non-native anurans." Wildlife Research 27, no. 2 (2000): 185. http://dx.doi.org/10.1071/wr99028.

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The introduced mosquitofish (Gambusia affinis holbrooki) is a pest species in Australia and has been implicated in the decline of populations of native fishes and anurans. However, few quantitative data exist regarding interactions between Gambusia and native aquatic fauna. We used replicated laboratory experiments to investigate predation by G. a. holbrooki on eggs, hatchlings and tadpoles of native (Limnodynastes ornatus) and non-native (Bufo marinus) anurans. Our aims were to determine (1) whether the susceptibility of anurans to predation by G. a. holbrooki changes during larval development, and (2) the potential for G. a. holbrooki as a predator of the introduced toad B. marinus. Gambusia were significant predators of all aquatic life-history stages of L. ornatus, but were significant predators of B. marinus only at the hatchling stage. When offered both species simultaneously, Gambusia consumed tadpoles of L. ornatus but avoided those of B. marinus. The differences between the responses of Gambusia to L. ornatus and B. marinus are probably due to differences in palatability and toxicity of eggs, hatchlings and tadpoles of these species. The results indicate that G. a. holbrooki is unlikely to significantly affect larval populations of B. marinus via predation. However, Gambusia has the potential to significantly affect larval populations of L. ornatus in natural water bodies where these species co-occur.

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2

Ayres, Renae M., Vincent J. Pettigrove, and Ary A. Hoffmann. "Genetic structure and diversity of introduced eastern mosquitofish (Gambusia holbrooki) in south-eastern Australia." Marine and Freshwater Research 63, no. 12 (2012): 1206. http://dx.doi.org/10.1071/mf11279.

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The closely related eastern mosquitofish (Gambusia holbrooki) and western mosquitofish (Gambusia affinis) have been introduced into many countries and collectively represent the most widely distributed freshwater fish in the world. We investigated genetic patterns associated with the spread of G. holbrooki in its introduced range in south-eastern Australia, by sampling 60 G. holbrooki populations (n = 1771) from major regions where G. holbrooki was initially introduced into Australia, and characterising the genetic diversity and population structure of G. holbrooki, using five polymorphic nuclear microsatellite loci and sequences from two mitochondrial genetic markers. Results were compared with published data on American and European Gambusia samples and historical records. Low microsatellite diversity and strong population genetic structuring were found within G. holbrooki in south-eastern Australia. Observed heterozygosity and allelic richness declined regionally in the order Sydney, Brisbane, Canberra, Melbourne and Adelaide. Microsatellite variation in Australia was reduced compared with native populations. Two mitochondrial DNA haplotypes of G. holbrooki were found; one was common, whereas the other was detected in one Sydney population and one Melbourne population. Cytochrome b sequence diversity was reduced compared with native and European ranges, and sequences were identical to two haplotypes previously identified. Microsatellite diversity of G. holbrooki in south-eastern Australia validates historical records of its spread, beginning north and moving south. Mitochondrial sequencing confirms that G. holbrooki is present in Australia, but the origins of Australian G. holbrooki populations remain unclear.

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3

Ivantsoff, Walter, and Aarn. "Detection of predation on Australian native fishes by Gambusia holbrooki." Marine and Freshwater Research 50, no. 5 (1999): 467. http://dx.doi.org/10.1071/mf98106.

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Clearing and staining of Gambusia holbrooki facilitated identification of juvenile fishes among the gut contents, and a feeding trial with captive Gambusia allowed assessment of gut transit time and degradation of melanotaeniid larvae. Regurgitated fishes and eggs in fixative solutions were also investigated. These techniques, extending to 12 h the post-feeding interval in which fishes may be found and differentiated among Gambusia gut contents, were tested on 631 wild-caught Gambusia collected in eastern Australia; an ingested native fish could be identified in the gut of 18 Gambusia, and a cannibalized fish in the gut of three.

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4

DuRant, Sarah E., and William A. Hopkins. "Amphibian predation on larval mosquitoes." Canadian Journal of Zoology 86, no. 10 (October 2008): 1159–64. http://dx.doi.org/10.1139/z08-097.

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Mosquitoes ( Culex pipiens L., 1758) are important vectors for diseases of both wildlife and humans. Understanding how natural factors influence mosquito abundance may provide insights into the ecology of various diseases, as well as solutions to controlling disease vectors. One of the natural factors regulating mosquito distributions and population sizes is predation. A poorly understood source of natural mosquito predation is amphibians. We determined the mosquito consumption capability of two amphibians, adult Red-spotted Newts ( Notophthalmus viridescens viridescens (Rafinesque, 1820)) and larval Mole Salamanders ( Ambystoma talpoideum (Holbrook, 1838)). We also compared mosquito consumption of eastern mosquitofish ( Gambusia holbrooki Girard, 1859), a known predator of mosquitoes, and A. talpoideum. Both salamander species were capable of consuming large numbers of mosquito larvae per day (least-square means ± 1 SE = 439 ± 20 and 316 ± 35 mosquitoes/day consumed by A. talpoideum and N. v. viridescens, respectively). In A. talpoideum, mosquito consumption scaled with body size, with the largest individual (4.4 g) ingesting 902 mosquitoes in 1 day. Gambusia holbrooki consumed 3.5× more mosquitoes during a 24 h feeding trial than similar-sized A. talpoideum. Our findings suggest that amphibians could have a substantial impact on mosquito larvae abundance, especially considering that amphibians can reach densities of up to 500 000 individuals/ha. Furthermore, we hypothesize that introduction of G. holbrooki could reduce abundances of native mosquito predators (e.g., salamanders) indirectly, through competition for invertebrate prey.

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5

Chapman, P., and K. Warburton. "Postflood movements and population connectivity in gambusia (Gambusia holbrooki)." Ecology of Freshwater Fish 15, no. 4 (December 2006): 357–65. http://dx.doi.org/10.1111/j.1600-0633.2006.00145.x.

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6

Coleman, R. A., T. A. Raadik, V. Pettigrove, and A. A. Hoffmann. "Taking advantage of adaptations when managing threatened species within variable environments: the case of the dwarf galaxias, Galaxiella pusilla (Teleostei, Galaxiidae)." Marine and Freshwater Research 68, no. 1 (2017): 175. http://dx.doi.org/10.1071/mf15332.

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Native fish are threatened globally by invasive species, and management actions largely focus on detecting and eradicating invaders before they become established. However, once established, invaders might also be controlled by taking advantage of adaptations of threatened species to local conditions. This strategy was explored in dwarf galaxias (Galaxiella pusilla) a freshwater-dependent species of national conservation significance in Australia, threatened by invasive eastern gambusia (Gambusia holbrooki). Most habitats occupied by G. pusilla experience a seasonally variable and unpredictable hydrologic regime, where water levels substantially contract during dry periods and expand during wet periods. It was hypothesised that they are likely to have developed adaptations to surviving in these habitats by persisting without surface water. In contrast to G. holbrooki, we found that G. pusilla could withstand longer periods without surface water, including air breathing and higher respiration rates in air, than could G. holbrooki. We showed, within a single G. pusilla population, large inter-annual variability in fish densities linked to natural wetting and drying regimes. These findings indicate that periodic drying provides a way of protecting G. pusilla in water bodies where G. holbrooki has invaded, representing a strategy that takes advantage of local adaptation and metapopulation structure of G. pusilla.

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7

Snelson, Franklin F., Richard E. Smith, and M. Rebecca Bolt. "A Melanistic Female Mosquitofish, Gambusia affinis holbrooki." American Midland Naturalist 115, no. 2 (April 1986): 413. http://dx.doi.org/10.2307/2425877.

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8

Howe, Effie, Christopher Howe, Richard Lim, and Margaret Burchett. "Impact of the introduced poeciliid Gambusia holbrooki (Girard, 1859) on the growth and reproduction of Pseudomugil signifer (Kner, 1865) in Australia." Marine and Freshwater Research 48, no. 5 (1997): 425. http://dx.doi.org/10.1071/mf96114.

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The impact of the presence of the introduced poeciliid Gambusia holbrooki on the Australian pseudomugilid Pseudomugil signifer was examined in open-air tank experiments. G. holbrooki profoundly affected the breeding of P. signifer. In the presence of G. holbrooki, P. signifer did not gain weight or grow in total length, ovarian weight and fecundity were greatly reduced, and the ovaries were morphologically undeveloped. No eggs of P. signifer were observed in tanks that also housed G. holbrooki. The results indicate that, at least in a captive situation, the presence of the exotic species had a very deleterious effect on the breeding and hence possible survival of the native species. These results are discussed with reference to the conservation of Australian pseudomugilid species, especially those inhabiting confined habitats.

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9

Macdonald, Jed I., Zeb D. Tonkin, David S. L. Ramsey, Andrew K. Kaus, Alison K. King, and David A. Crook. "Do invasive eastern gambusia (Gambusia holbrooki) shape wetland fish assemblage structure in south-eastern Australia?" Marine and Freshwater Research 63, no. 8 (2012): 659. http://dx.doi.org/10.1071/mf12019.

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Defining the ecological impacts conferred by invasive fishes provides a framework for evaluating the feasibility of control efforts in invaded waterways, and for predicting the consequences of future incursions. Eastern gambusia (Gambusia holbrooki) is a remarkably successful invader of freshwater systems worldwide, with the capacity to detrimentally impact native fishes both directly (e.g. competition, predation, agonistic interactions) and indirectly (e.g. triggering trophic cascades). Here, we modelled the influence of eastern gambusia and several environmental covariates on fish species diversity, abundance and condition based on quantitative survey data collected from 93 wetlands in south-eastern Australia. We predicted that small-bodied, wetland specialist species sharing dietary- and habitat-niches with eastern gambusia would be most severely impacted, and that environmental stressors associated with wetland drying during late summer would magnify these impacts. Eastern gambusia influenced the occurrence, abundance and/or body condition of most common wetland species; however, the direction and level of impact appeared dependent on both biotic and environmental forces. From these results, we postulate that generalist life-history strategies that permit niche-segregation may release some native species from competitive/predatory pressures, allowing coexistence with eastern gambusia in resource-limited, environmentally harsh habitats, whilst specialist species that occupy narrower ecological niches may be less resistant.

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10

Bisazza, Angelo, Andrea Marconato, and Guglielmo Marin. "Male Mate Preferences in the Mosquitofish Gambusia holbrooki." Ethology 83, no. 4 (April 26, 2010): 335–43. http://dx.doi.org/10.1111/j.1439-0310.1989.tb00541.x.

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11

Ward, Ashley J. W. "Social facilitation of exploration in mosquitofish (Gambusia holbrooki)." Behavioral Ecology and Sociobiology 66, no. 2 (October 18, 2011): 223–30. http://dx.doi.org/10.1007/s00265-011-1270-7.

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12

Wooten, Michael C., and Charles Lydeard. "Allozyme variation in a natural contact zone between Gambusia affinis and Gambusia holbrooki." Biochemical Systematics and Ecology 18, no. 2-3 (June 1990): 169–73. http://dx.doi.org/10.1016/0305-1978(90)90054-j.

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13

Bool, Joshua D., Kristen Witcomb, Erin Kydd, and Culum Brown. "Learned recognition and avoidance of invasive mosquitofish by the shrimp, Paratya australiensis." Marine and Freshwater Research 62, no. 10 (2011): 1230. http://dx.doi.org/10.1071/mf11140.

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Little is known about the learning ability of crustaceans, especially with respect to their anti-predator responses to invasive species. In many vertebrates, anti-predator behaviour is influenced by experience during ontogeny. Here, predator-naïve glass shrimp (Paratya australiensisis) were exposed to a predatory, invasive fish species, Gambusia holbrooki, to determine whether shrimp could learn to: (1) avoid the scent of Gambusia via classical conditioning; and (2) restrict their activity patterns to the night to reduce predatory encounters. Conditioned shrimp were placed in containers in aquaria containing Gambusia for 3 days during which time they could be harassed but not consumed by Gambusia. When tested in a Y-maze, conditioned shrimp showed a long delay before making a choice between Gambusia scented water and aged tap water but chose an arm at random. Control shrimp showed a brief delay in emergence and also chose at random. In a second experiment, we housed shrimp with a single Gambusia and observed their activity patterns. In the presence of Gambusia, shrimp switched from diurnal to nocturnal foraging. These results show that naïve shrimp learn to recognise novel predatory species via chemical cues and adjust their activity patterns to coincide with periods when Gambusia are inactive.

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14

Lloyd, LN, and JF Tomasov. "Taxonomic status of the mosquitofish, Gambusia affinis (Poeciliidae), in Australia." Marine and Freshwater Research 36, no. 3 (1985): 447. http://dx.doi.org/10.1071/mf9850447.

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G. affinis is the only species of the genus Gambusia positively identified from Australia. Meristic characters and gonopodium morphology of specimens from 22 localities throughout Australia were examined. Both support the identification of all specimens as the subspecies G. a. holbrooki. Previous reports indicating the presence of G. a. afinis or G. dominieensis in Australia are considered incorrect.

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15

Gao, Jiancao, Francesco Santi, Linjun Zhou, Xiaoqin Wang, Rüdiger Riesch, and Martin Plath. "Geographical and temporal variation of multiple paternity in invasive mosquitofish ( Gambusia holbrooki , Gambusia affinis )." Molecular Ecology 28, no. 24 (November 22, 2019): 5315–29. http://dx.doi.org/10.1111/mec.15294.

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16

Agrillo, Christian, Marco Dadda, and Giovanna Serena. "Choice of Female Groups by Male Mosquitofish (Gambusia holbrooki)." Ethology 114, no. 5 (May 2008): 479–88. http://dx.doi.org/10.1111/j.1439-0310.2008.01493.x.

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17

Congdon, Bradley C. "Characteristics of dispersal in the eastern mosquitofish Gambusia holbrooki." Journal of Fish Biology 45, no. 6 (December 1994): 943–52. http://dx.doi.org/10.1111/j.1095-8649.1994.tb01064.x.

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18

Nekrasova, Oksana, Volodymyr Tytar, Mihails Pupins, Andris Čeirāns, Oleksii Marushchak, and Arturs Skute. "A GIS Modeling Study of the Distribution of Viviparous Invasive Alien Fish Species in Eastern Europe in Terms of Global Climate Change, as Exemplified by Poecilia reticulata Peters, 1859 and Gambusia holbrooki Girarg, 1859." Diversity 13, no. 8 (August 17, 2021): 385. http://dx.doi.org/10.3390/d13080385.

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The potential distribution of tropical fish species in Eastern Europe—Gambusia holbrooki (introduced for biological control) and Poecilia reticulata (aquarium species, found in waste waters of big cities)—tend to be of particular interest in terms of global climate change. After GIS modeling of our own data and findings listed in the GBIF databases (2278 points for G. holbrooki and 1410 points for P. reticulata) using the Maxent package and ‘ntbox’ package in R, 18 uncorrelated variables of 35 Bioclim climatic parameters from CliMond dataset, it was found out that by 2090 guppies will appear in the south of Ukraine (Danube river’s estuary, as well as in several places in the Caucasus and Turkey with habitat suitability > 0.3–0.5). G. holbrooki will also slightly expand its range in Europe. Limiting factors for G. holbrooki distribution are: bio1 (Annual mean temperature, optimum +12–+24 °C) and bio19 (Precipitation of coldest quarter (mm). Limiting factors for P. reticulata are: bio1 (optimum +14–+28 °C), bio4 (Temperature seasonality), bio3 (Isothermality). Unlike G. holbrooki, guppies prefer warmer waters. Such thermophilic fish species do not compete with the native ichthyofauna, but they can occupy niches in anthropogenically transformed habitats, playing an important role as agents of biological control.

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19

Ho, Susie S., Nick R. Bond, and P. Sam Lake. "Comparing food-web impacts of a native invertebrate and an invasive fish as predators in small floodplain wetlands." Marine and Freshwater Research 62, no. 4 (2011): 372. http://dx.doi.org/10.1071/mf10222.

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Gambusia holbrooki is an invasive predatory poeciliid fish in wetlands of south-eastern Australia, where it coexists with the native waterbug Anisops thienemanni (Notonectidae). Gambusia has been shown to produce trophic cascades, leading to increased algal biomass following invasion, whereas these effects relative to the often-dominant invertebrate predator Anisops are unknown. Given its flexible diet, we predicted that Gambusia would feed more broadly than Anisops, thereby reducing the abundance of zooplankton grazers, and increasing chlorophyll a. We tested this hypothesis in experimental 110-L wetland mesocosms, using Gambusia and Anisops alone and in combination, in addition to no-predator treatments. We ran two experiments lasting 91 and 35 days, respectively. Both fish and macroinvertebrates generated weak trophic cascades, resulting in minor increases in chlorophyll a above concentrations in control treatments. Gambusia, in lowering total zooplankton abundances, triggered a larger, although still relatively small, algal response relative to Anisops. Impacts of both predators on dominant invertebrate grazers (e.g. Simocephalus spp., copepod nauplii) were similar, although Anisops was associated with an increase in ostracod (Newnhamia sp.) numbers. The similar trophic role of the two predators on algae was unexpected, given their different effects on planktonic communities and their very different taxonomic positions and zoogeographic origins.

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20

Heagler, M. G., and M. Mulvey. "TIME EFFECTS ON ENZYME ACTIVITY IN THE MOSQUITOFISH, GAMBUSIA HOLBROOKI." Environmental Toxicology and Chemistry 11, no. 5 (1992): 605. http://dx.doi.org/10.1897/1552-8618(1992)11[605:teoeai]2.0.co;2.

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21

Hoysak, Drew J., and Jean-Guy J. Godin. "Repeatability of Male Mate Choice in the Mosquitofish, Gambusia holbrooki." Ethology 113, no. 10 (September 17, 2007): 1007–18. http://dx.doi.org/10.1111/j.1439-0310.2007.01413.x.

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22

Vidal, Oriol, Nuria Sanz, Rosa-Maria Araguas, Raquel Fernández-Cebrian, David Diez-del-Molino, and José-Luis García-Marín. "SNP diversity in introduced populations of the invasive Gambusia holbrooki." Ecology of Freshwater Fish 21, no. 1 (August 5, 2011): 100–108. http://dx.doi.org/10.1111/j.1600-0633.2011.00527.x.

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23

Brandão, Fátima, Alberto Teodorico Correia, Fernando Gonçalves, and Bruno Nunes. "Effects of anthropogenic metallic contamination on cholinesterases of Gambusia holbrooki." Marine Pollution Bulletin 76, no. 1-2 (November 2013): 72–76. http://dx.doi.org/10.1016/j.marpolbul.2013.09.029.

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24

Horth, L. "Predation and the persistence of melanic male mosquitofish (Gambusia holbrooki)." Journal of Evolutionary Biology 17, no. 3 (March 8, 2004): 672–79. http://dx.doi.org/10.1111/j.1420-9101.2004.00710.x.

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25

Pilastro, Andrea, Eva Giacomello, and Angelo Bisazza. "Sexual selection for small size in male mosquitofish ( Gambusia holbrooki )." Proceedings of the Royal Society of London. Series B: Biological Sciences 264, no. 1385 (August 22, 1997): 1125–29. http://dx.doi.org/10.1098/rspb.1997.0155.

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26

Heagler, M. G., and M. Mulvey. "Time effects on enzyme activity in the mosquitofish,Gambusia Holbrooki." Environmental Toxicology and Chemistry 11, no. 5 (May 1992): 605–7. http://dx.doi.org/10.1002/etc.5620110503.

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27

Head, Megan L., Regina Vega‐Trejo, Frances Jacomb, and Michael D. Jennions. "Predictors of male insemination success in the mosquitofish ( Gambusia holbrooki )." Ecology and Evolution 5, no. 21 (October 15, 2015): 4999–5006. http://dx.doi.org/10.1002/ece3.1775.

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28

Andreoli Bize, Julieta, and Luis Fernández. "Invasion alert: new record of the exotic Gambusia holbrooki Girard, 1859 in the Puna Austral region, Northwestern of Argentina." Neotropical Biology and Conservation 14, no. 2 (August 9, 2019): 291–95. http://dx.doi.org/10.3897/neotropical.14.e36535.

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We report the first record of Gambusia holbrooki Girard, 1859 at elevations above 1,615 m in the Puna Austral, Provincia Catamarca, Argentina. This fish was introduced by intentional release. The Puna is characterized by an endorheic system, where the exotic species would cause a negative impact on the aquatic fauna by predation of eggs and larvae of native fish. Unfortunately, Argentinian conservation policies are directed to protect exotic fish before endemic ichthyofauna.

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29

Fairfax, R., R. Fensham, R. Wager, S. Brooks, A. Webb, and P. Unmack. "Recovery of the red-finned blue-eye: an endangered fish from springs of the Great Artesian Basin." Wildlife Research 34, no. 2 (2007): 156. http://dx.doi.org/10.1071/wr06086.

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The red-finned blue-eye (Scaturiginichthys vermeilipinnis) is endemic to a single complex of springs emanating from the Great Artesian Basin, Australia. The species has been recorded as naturally occurring in eight separate very shallow (generally <20 mm) springs, with a combined wetland area of ~0.3 ha. Since its discovery in 1990, five red-finned blue-eye (RFBE) populations have been lost and subsequent colonisation has occurred in two spring wetlands. Current population size is estimated at <3000 individuals. Artesian bores have reduced aquifer pressure, standing water levels and spring-flows in the district. There is evidence of spatial separation within the spring pools where RFBE and the introduced fish gambusia (Gambusia holbrooki) co-occur, although both species are forced together when seasonal extremes affect spring size and water temperature. Gambusia was present in four of the five springs where RFBE populations have been lost. Four out of the five remaining subpopulations of RFBE are Gambusia free. Circumstantial evidence suggests that gambusia is a major threat to red-finned blue-eyes. The impact of Gambusia is probably exacerbated by domestic stock (cattle and sheep), feral goats and pigs that utilise the springs and can negatively affect water quality and flow patterns. Three attempts to translocate RFBE to apparently suitable springs elsewhere within the complex have failed. Opportunities to mitigate threats are discussed, along with directions for future research to improve management of this extremely threatened fish and habitat.

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30

Wilson, Robbie S., Catriona H. L. Condon, and Ian A. Johnston. "Consequences of thermal acclimation for the mating behaviour and swimming performance of female mosquito fish." Philosophical Transactions of the Royal Society B: Biological Sciences 362, no. 1487 (May 2007): 2131–39. http://dx.doi.org/10.1098/rstb.2007.2106.

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The mating system of eastern mosquito fish ( Gambusia holbrooki ) is dominated by male sexual coercion, where all matings are forced and females never appear to cooperate and actively avoid all attempts. Previous research has shown that male G. holbrooki offer a model system for examining the benefits of reversible thermal acclimation for reproductive success, but examining the benefits to female avoidance behaviour has been difficult. In this study, we examined the ability of non-male-deprived female G. holbrooki to avoid forced–coercive matings following acclimation to either 18 or 30°C for six weeks (12 h light : 12 h dark photoperiod). Thermal acclimation of burst and sustained swimming performance was also assessed, as these traits are likely to underlie their ability to avoid forced matings. There was no influence of thermal acclimation on the burst swimming performance of female G. holbrooki over the range 18–30°C; however, sustained swimming performance was significantly lower in the warm- than the cool-acclimation group. For mating behaviour, we tested the hypothesis that acclimation would enhance the ability of female G. holbrooki to avoid forced matings at their host acclimation temperature relative to females acclimated to another environment. However, our hypothesis was not supported. The rate of copulations was almost three times greater for females acclimated to 30°C than 18°C when tested at 30°C, indicating that they possess the ability to alter their avoidance behaviour to ‘allow’ more copulations in some environments. Coupled with previous studies, female G. holbrooki appear to have greater control on the outcome of coercive mating attempts than previously considered and can alter their propensity to receive forced matings following thermal acclimation. The significance of this change in female mating-avoidance behaviours with thermal acclimation remains to be explored.

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31

Weeks, Stephen C., and Gary K. Meffe. ""Grandfather Effects" on Offspring Size in the Eastern Mosquitofish, Gambusia holbrooki." Copeia 1997, no. 4 (December 9, 1997): 869. http://dx.doi.org/10.2307/1447308.

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32

Wilson, Alexander D. M., Jean-Guy J. Godin, and Ashley J. W. Ward. "Boldness and Reproductive Fitness Correlates in the Eastern Mosquitofish, Gambusia holbrooki." Ethology 116, no. 1 (January 2010): 96–104. http://dx.doi.org/10.1111/j.1439-0310.2009.01719.x.

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33

Edwards, Thea M., Gunnar Toft, and Louis J. Guillette. "Seasonal reproductive patterns of female Gambusia holbrooki from two Florida lakes." Science of The Total Environment 408, no. 7 (March 2010): 1569–76. http://dx.doi.org/10.1016/j.scitotenv.2009.12.013.

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34

Brookes, Samuel, Maider Iglesias-Carrasco, Loeske E. B. Kruuk, and Megan L. Head. "Sex-specific responses to competitive environment in the mosquitofish Gambusia holbrooki." Evolutionary Ecology 34, no. 6 (October 4, 2020): 963–79. http://dx.doi.org/10.1007/s10682-020-10080-y.

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35

Pyke, Graham H. "A Review of the Biology of Gambusia affinis and G. holbrooki." Reviews in Fish Biology and Fisheries 15, no. 4 (November 2005): 339–65. http://dx.doi.org/10.1007/s11160-006-6394-x.

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36

Nunes, B., M. R. Braga, J. C. Campos, R. Gomes, A. S. Ramos, S. C. Antunes, and A. T. Correia. "Ecotoxicological effect of zinc pyrithione in the freshwater fish Gambusia holbrooki." Ecotoxicology 24, no. 9 (August 23, 2015): 1896–905. http://dx.doi.org/10.1007/s10646-015-1525-6.

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37

Arenas, Maria Isabel, Benito Fraile, Maria Paz De Miguel, and Richardo Paniagua. "Cytoskeleton in sertoli cells of the mosquito fish (Gambusia affinis holbrooki)." Anatomical Record 241, no. 2 (February 1995): 225–34. http://dx.doi.org/10.1002/ar.1092410209.

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38

Vidal, Oriol, Emili García-Berthou, Pablo A. Tedesco, and José-Luis García-Marín. "Origin and genetic diversity of mosquitofish (Gambusia holbrooki) introduced to Europe." Biological Invasions 12, no. 4 (July 5, 2009): 841–51. http://dx.doi.org/10.1007/s10530-009-9505-5.

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39

Díez-del-Molino, David, Rosa-Maria Araguas, Manuel Vera, Oriol Vidal, Nuria Sanz, and Jose-Luis García-Marín. "Temporal genetic dynamics among mosquitofish (Gambusia holbrooki) populations in invaded watersheds." Biological Invasions 18, no. 3 (January 9, 2016): 841–55. http://dx.doi.org/10.1007/s10530-016-1055-z.

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40

Yardley, Darrell G. "Tissue-specific distribution of amylase in the mosquitofish (Gambusia affinis holbrooki)." Fish Physiology and Biochemistry 8, no. 2 (March 1990): 179–83. http://dx.doi.org/10.1007/bf00004445.

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41

Karplus, Ilan, and Daniel Algom. "Polymorphism and pair formation in the mosquitofish Gambusia holbrooki (Pisces: Poeciliidae)." Environmental Biology of Fishes 45, no. 2 (February 1996): 169–76. http://dx.doi.org/10.1007/bf00005231.

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42

Rollings, Nicky, Emily Miller, and Mats Olsson. "Telomeric attrition with age and temperature in Eastern mosquitofish (Gambusia holbrooki)." Naturwissenschaften 101, no. 3 (January 22, 2014): 241–44. http://dx.doi.org/10.1007/s00114-014-1142-x.

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43

O'Dea, Rose E., Regina Vega‐Trejo, Megan L. Head, and Michael D. Jennions. "Maternal effects on offspring size and number in mosquitofish, Gambusia holbrooki." Ecology and Evolution 5, no. 14 (July 2015): 2945–55. http://dx.doi.org/10.1002/ece3.1577.

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44

Kerezsy, Adam, and Rod Fensham. "Conservation of the endangered red-finned blue-eye, Scaturiginichthys vermeilipinnis, and control of alien eastern gambusia, Gambusia holbrooki, in a spring wetland complex." Marine and Freshwater Research 64, no. 9 (2013): 851. http://dx.doi.org/10.1071/mf12236.

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The red-finned blue-eye is the only pseudomugilid fish known from inland Australia and it is found only within an isolated cluster of Great Artesian Basin springs on Edgbaston Reserve in central-western Queensland. Surveys conducted in early 2009 revealed that red-finned blue-eye was present in four individual springs and that invasion of the spring complex by alien eastern gambusia was the most likely factor contributing to local extirpations. A three-year project commenced in the same year, with the twin aims of investigating methods for removing gambusia from springs and relocating small populations of red-finned blue-eye to fish-free springs. Gambusia removal with rotenone has been successful in a trial spring at Edgbaston and aquatic invertebrates have not been adversely affected. From a total of seven relocation events conducted in the same period, red-finned blue-eye populations have persisted in three. The results indicate that gambusia removal and red-finned blue-eye relocation are both suitable methods for red-finned blue-eye conservation, and as the fish is both endangered and declining, these methods and other strategies such as captive breeding should be implemented to prevent species extinction.

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45

Sommer-Trembo, Carolin, Martin Plath, Jakob Gismann, Claudia Helfrich, and David Bierbach. "Context-dependent female mate choice maintains variation in male sexual activity." Royal Society Open Science 4, no. 7 (July 2017): 170303. http://dx.doi.org/10.1098/rsos.170303.

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The existence of individual variation in males' motivation to mate remains a conundrum as directional selection should favour high mating frequencies. Balancing selection resulting from (context-dependent) female mate choice could contribute to the maintenance of this behavioural polymorphism. In dichotomous choice tests, mosquitofish ( Gambusia holbrooki ) females preferred virtual males showing intermediate mating frequencies, reflecting females' tendencies to avoid harassment by highly sexually active males. When tested in the presence of a female shoal—which protects females from male harassment—focal females showed significantly stronger preferences for high sexual activity. A trade-off between (indirect) benefits and (direct) costs of mating with sexually active males probably explains context-dependent female mate choice, as costs depend on the social environment in which females choose their mates. No preference was observed when we tested virgin females, suggesting that the behavioural pattern described here is part of the learned behavioural repertoire of G. holbrooki females.

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Hanford, Jayne K., Dieter F. Hochuli, and Cameron E. Webb. "Oviposition Behavior of Culex annulirostris (Diptera: Culicidae) Is Affected by the Recent Presence of Invasive Gambusia holbrooki (Cyprinodontiformes: Poeciliidae)." Journal of Medical Entomology 56, no. 4 (March 24, 2019): 1165–69. http://dx.doi.org/10.1093/jme/tjz027.

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Abstract Constructed wetlands are popular tools for managing threatened flora and fauna in urban settings, but there are concerns that these habitats may increase mosquito populations and mosquito-related public health risks. Understanding the interactions occurring between mosquitoes of public health concern and co-occurring organisms is critical to informing management of these habitats to mitigate potential health risks and balance the multiple values of urban wetlands. This study examined how oviposition behavior of Culex annulirostris Skuse, the most important pest mosquito species associated with freshwater wetland habitats in Australia, is influenced by the presence of Gambusia holbrooki Girard, a widespread invasive fish. Water was collected from urban wetlands that are intensively managed to reduce G. holbrooki populations to assist conservation of locally threatened frogs, and adjacent unmanaged wetlands where G. holbrooki was abundant. Laboratory experiments were conducted to examine the oviposition response by Cx. annulirostris to water samples from these two habitats. Experiments were conducted on two occasions, once in February following draining and refilling of the urban wetlands, and repeated following a substantial rainfall event in March. The results clearly demonstrate that ovipositing mosquitoes were able to detect and avoid water derived from habitats containing fish, even in the absence of the fish themselves. Understanding how invasive species affect the behavior and spatial distribution of pest species such as Cx. annulirostris will enable future wetland design and management to maximize benefits of urban wetlands and minimize potential public health risks.

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Dove, A. D. M., T. H. Cribb, S. P. Mockler, and M. Lintermans. "The Asian fish tapeworm, Bothriocephalus acheilognathi, in Australian freshwater fishes." Marine and Freshwater Research 48, no. 2 (1997): 181. http://dx.doi.org/10.1071/mf96069.

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Bothriocephalus acheilognathi was collected from 13 of 38 carp (Cyprinus carpio), 2 of 4 mosquito fish (Gambusia holbrooki), and 2 of 12 western carp gudgeon (Hypseleotris klunzingeri ) in waterways of the Australian Capital Territory and New South Wales. This is the first record of this parasite in Australia, and its presence in H. klunzingeri is a new host record. B. acheilognathi presumably arrived in Australia with its introduced fish hosts and has since crossed into native fishes. This cestode may infect other native fish species, a potential that is significant given the high pathogenicity associated with infection in other known hosts.

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Mousavi, Seyed Ehsan, G. John Purser, and Jawahar G. Patil. "Embryonic Onset of Sexually Dimorphic Heart Rates in the Viviparous Fish, Gambusia holbrooki." Biomedicines 9, no. 2 (February 8, 2021): 165. http://dx.doi.org/10.3390/biomedicines9020165.

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In fish, little is known about sex-specific differences in physiology and performance of the heart and whether these differences manifest during development. Here for the first time, the sex-specific heart rates during embryogenesis of Gambusia holbrooki, from the onset of the heart rates (HRs) to just prior to parturition, was investigated using light cardiogram. The genetic sex of the embryos was post-verified using a sex-specific genetic marker. Results reveal that heart rates and resting time significantly increase (p < 0.05) with progressive embryonic development. Furthermore, both ventricular and atrial frequencies of female embryos were significantly higher (p < 0.05) than those of their male sibs at the corresponding developmental stages and remained so at all later developmental stages (p < 0.05). In concurrence, the heart rate and ventricular size of the adult females were also significantly (p < 0.05) higher and larger respectively than those of males. Collectively, the results suggest that the cardiac sex-dimorphism manifests as early as late-organogenesis and persists through adulthood in this species. These findings suggest that the cardiac measurements can be employed to non-invasively sex the developing embryos, well in advance of when their phenotypic sex is discernible. In addition, G. holbrooki could serve as a better model to study comparative vertebrate cardiovascular development as well as to investigate anthropogenic and climatic impacts on heart physiology of this species, that may be sex influenced.

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Kramer, Vincent J., and Michael C. Newman. "INHIBITION OF GLUCOSEPHOSPHATE ISOMERASE ALLOZYMES OF THE MOSQUITOFISH, GAMBUSIA HOLBROOKI, BY MERCURY." Environmental Toxicology and Chemistry 13, no. 1 (1994): 9. http://dx.doi.org/10.1897/1552-8618(1994)13[9:iogiao]2.0.co;2.

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50

Moreno-Valcárcel, Raquel, Ana Ruiz-Navarro, Mar Torralva, and Francisco José Oliva-Paterna. "First record of Siamese twins in Eastern Mosquitofish, Gambusia holbrooki (Girard 1859)." Limnetica 30, no. 1 (June 15, 2011): 1–4. http://dx.doi.org/10.23818/limn.30.01.

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