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Academic literature on the topic 'Poisson clown'
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Journal articles on the topic "Poisson clown"
Bailly, Sean. "Les bandes du poisson-clown." Pour la Science Juillet, no. 7 (July 1, 2021): 17b. http://dx.doi.org/10.3917/pls.525.0017b.
Full textRoux, Natacha, Pauline Salis, and Vincent Laudet. "Les larves de poissons coralliens : un nouveau modèle d’étude de la métamorphose et des hormones thyroïdiennes." Biologie Aujourd'hui 213, no. 1-2 (2019): 27–33. http://dx.doi.org/10.1051/jbio/2019010.
Full textLellouch, Ariane. "Les poissons-clowns comptent." Pour la Science N° 558 – Avril, no. 4 (March 28, 2024): 9b. http://dx.doi.org/10.3917/pls.558.0009b.
Full textKuchukova, Zukhra A., Burkhan A. Berberov, and Liana B. Berberova. "Jerome Salinger and Heinrich Böll: experience of transcultural creativity." Philological Sciences. Scientific Essays of Higher Education 2, no. 6 (November 2020): 280–91. http://dx.doi.org/10.20339/phs.6-20.280.
Full textBacca, Pedro Pablo, Karen Andrea Alarcon, Juan Carlos González, Félix Alberto Guzmán, Roberto Antonio Coronado, and Yajaira Romero Barrera. "Evaluación de cuatro genotipos de cacao en Nariño, Colombia." Revista Mexicana de Ciencias Agrícolas 14, no. 7 (October 18, 2023): e3331. http://dx.doi.org/10.29312/remexca.v14i7.3331.
Full textDissertations / Theses on the topic "Poisson clown"
Lorin, Thibault. "Évolution des gènes de la pigmentation chez les Vertébrés et développement pigmentaire chez un modèle émergent de poisson corallien, le poisson-clown Amphiprion ocellaris." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSEN027/document.
Full textColor is a key biological trait that allows individuals to adapt to their biotic and abiotic environment, and many genes have been shown to play an essential role in color acquisition in vertebrates. In this work, the consequences on this specifie set of genes of the whole-genome duplications that occurred during vertebrate evolution were investigated. Whereas most genes a re lost after a w hole- genome duplication event, this work shows that pigmentation genes and other genes within their families have been more retained compared to the average observed genome retention. This was particularly the case for the teleost-specific whole-genome duplications . Hence, this high retention rate could be related to the high pigmentation diversity observed in the teleost fish lineage, both in terms of patterns and of pigment cell types . In addition, during this PhD thesis, pigmentation in an emerging model organism, the clownfish Amphiprion ocellaris, was investigated. The white color in clownfish was shawn to be due to specifie pigment cells, iridophores, and new iridophore genetic markers were detected . One such marker is almost exclusively restricted to ray-finned fish and could have been acquired through a horizontal gene transfer event that occurred at the onset of the evolution of this lineage. Last, in this work, the genetic basis of pigmentation acquisition was scrutinized during the development of clownfish A. ocellar is, and especially during metamorphosis - a major life history transition in coral reef fish . In particular, the deployment during development of thyroid hormone signaling which is a key pathway in metamorphosis regulation in vertebrates was examined
Roux, Natacha. "The clownfish Amphiprion ocellaris : a model species to study the metamorphosis of coral reef." Electronic Thesis or Diss., Sorbonne université, 2019. http://www.theses.fr/2019SORUS336.
Full textMost of the studies conducted on teleost fish metamorphosis have used freshwater fish species or marine fish species of commercial interest. Even though those studies allowed better understanding the role of THs in the regulation of metamorphosis and how they control the expression of several target genes, there is little information on the role of the environment on the regulation of this important post-embryonic development step. However, environment is able to regulate metamorphosis as it has been revealed in the coral reef fish A.triostegus. This species is an excellent ecological model but as we cannot have access to its entire larval life cycle, it is difficult to study how environmental factors interact with THs signaling pathway. By contrast, the clownfish A. ocellaris could be an emerging model species as its entire life cycle can be obtained under laboratory conditions. This species has the potential to tackle questions regarding ecology, evolution and developmental biology. The objective of this thesis was to develop the clownfish A. ocellaris as a model species to study metamorphosis in coral reef fishes and gain insight on the role of environmental factors in this process. For that purpose, A. ocellaris metamorphosis has been characterized at the morphological, endocrinological and molecular levels by tackling the following questions: What are the morphological changes occurring during the post-embyronic development of A. ocellaris ? What are the molecular players of A. ocellaris metamorphosis ? Is the metamorphosis of A. ocellaris under the control of THs and which changes (morphological, physiological, behavioral and molecular) are under their control ?
Salles, Océane. "Potentiel évolutif d'une population naturelle de poissons coralliens à fort auto-recrutement dans un environnement variable." Thesis, Paris, EPHE, 2016. http://www.theses.fr/2016EPHE3071.
Full textThe evolutionary potential of wild populations to respond to environmental change will determine their capacity to adapt and survive. However, in order to achieve evolutionary change, variation in the contribution of an individual to the next generation — its fitness — must have a genetic basis and be heritable. The study of the evolutionary potential of populations requires longitudinal and relatedness data with different environments to partition the contribution of genes, maternal effects and environment on fitness. Estimates of genetic heritability of fitness traits are extremely rare, especially for marine species, where inter-generational relationships are rarely known. Here, we present the first multi-generational pedigree for a marine fish population by repeatedly genotyping all individuals in a population of the orange clownfish (Amphiprion percula) at Kimbe Island (Papua New Guinea) over a 10-year period. Based on 2927 individuals, our pedigree analysis revealed that longitudinal philopatry was recurrent over five generations. We show that local reproductive success has a very low (<1%) but significant heritability. We also show that additive genetic variation and maternal effects on local fitness are both extremely low (<1%). Habitat is the major driver that explain differences in the contribution of individuals to the next generation in the local population (until 96.5%). Together these results suggest that while the environment imposes strong selection pressures on the local fitness, the low heritability indicates the orange clownfish population has little evolutionary potential to adapt to local environmental changes
Books on the topic "Poisson clown"
Walter, Henriette. La fabuleuse histoire du nom des poissons: Du tout petit poisson-clown au très grand requin blanc. Paris: Laffont, 2011.
Find full textChauvel. Le Poisson-clown - Aidan. Delcourt, 2000.
Find full textCraig, Kelly. Poisson-Clown: Photos Etonnantes and Recueil d'Informations Amusantes Concernant les Poisson-Clown Pour Enfants. Independently Published, 2021.
Find full textMercer, Katie. Poisson-Clown: Recueil Pour Enfants de Belles Images and d'Informations Intéressantes Concernant les Poisson-Clown. Independently Published, 2021.
Find full textChauvel, David, and Fred Simon. Le Poisson-clown, tome 1 : Happy. Delcourt, 1998.
Find full textChauvel, David, and Fred Simon. Le Poisson-clown, tome 2 : Christina. Delcourt, 1998.
Find full textAllard, Ayden. Poissons et Animaux de l'océan - Livre de Coloriage - Poisson Rouge, Nautilus, Poisson-Clown, Baleine, Autres. Independently Published, 2020.
Find full textBeauregard, Rose. Poissons et Animaux de l'océan - Livre de Coloriage - Poisson Rouge, Nautilus, Poisson-Clown, Baleine, Autres. Independently Published, 2020.
Find full textBeaulieu, Penelope. Animaux Marins et Poissons - Livre de Coloriage Pour Adultes - Poisson Rouge, Nautilus, Poisson-Clown, Baleine, Etc. Independently Published, 2020.
Find full textBéland, Amara. Vie Marine - Livre de Coloriage - Poisson Rouge, Nautilus, Poisson-Clown, Baleine, Autres. Independently Published, 2020.
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