Metamorphosis In Fish
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Metamorphosis In Fish
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Author : Sylvie Dufour
language : en
Publisher: CRC Press
Release Date : 2012-03-08
Metamorphosis In Fish written by Sylvie Dufour and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-03-08 with Science categories.
This book gathers current data on the two types of fish metamorphoses and their endocrine controls. It will be of interest for fish biologists as well as comparative physiologists and endocrinologists. Metamorphosis is a major developmental phase characterized by morphological and physiological changes. It prepares organisms for a drastic shift in habitat and behavior. Among vertebrates, besides the well-known larval metamorphosis in amphibians, two types of metamorphosis are also described in the life cycle of some fish species. Larval metamorphosis, also called first metamorphosis or true metamorphosis, is encountered in lampreys, representative species of basal vertebrates as well as in some teleost groups, elopomorphs and pleuronectiforms, and possibly also in some other teleost species. Secondary metamorphosis occurs in juveniles of some diadromic migratory teleosts, such as salmons and eels, and compared to larval metamorphosis, involves less drastic morphological changes.
When Do Fishes Become Juveniles
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Author : G.H. Copp
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
When Do Fishes Become Juveniles written by G.H. Copp and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Science categories.
Metamorphosis and the transition from larvae or embryos to juveniles in fishes are important in order to answer, for example, questions about: (1) life-history styles and their modifications in evolutionary perspective and within current environmental demands; (2) the development and application of fisheries recruitment models, (3) the use of ontogenetic scales for interspecific comparisons, (4) the identification of ontogenetic shifts in resource use, and (5) the discovery of evolutionary interrelationships of species or genera. This volume is dedicated to recent studies and reviews of existing knowledge on this insufficiently-addressed area of ichthyology. Most of the papers in this volume were presented in Bratislava, Slovakia, at the 1st International Workshop of the Fish Ontogeny Network of Europe (FONE) in September 1997, a meeting sponsored in part by the European Commission. This volume emphasizes an integrated approach to the study of fish ontogeny, which is a process during which one event is related to another and everything is related to everything else, encompassing physiology, morphology, behaviour and niche. Within this comprehensive perspective, the papers in this volume are grouped along four major themes: reflections on early ontogeny and metamorphosis, organism-environment relationships, ontogeny of predator-prey interactions, and behaviour and ontogeny. Among other issues, the papers consider topics such as whether one can identify when fish metamorphosis ends, whether the larva period begins with hatching or with the onset of exogenous feeding, whether fish ontogeny is `saltatory' or `gradual', and whether larvae are eliminated in some fishes with direct development. The keynote paper of this volume reviews the main topics within contemporary paradigms and the final paper concludes that the onset of the juvenile period can be identified in some species, but precision remains problematic, emphasizing the need for further research in this dynamic area of fish biology.
Importance Of Metamorphosis In Coral Reef Fish Larval Recruitment Facing Anthropogenic Pressures
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Author : Marc Besson
language : en
Publisher:
Release Date : 2017
Importance Of Metamorphosis In Coral Reef Fish Larval Recruitment Facing Anthropogenic Pressures written by Marc Besson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
The persistence and sustainability of coral-reef fish populations depends on the continued larval recruitment, i.e. successful settlement by pelagic larvae into adult reef habitats and post-settlement survival through metamorphosis to a juvenile stage. There is growing evidence that changes to water conditions due to global change and waterborne pollution can impair coral-reef fish sensory abilities to locate settlement habitats that maximize growth while minimizing mortality risk. However, the inner mechanisms of such impairments remain unknown. In this thesis, I have examined the recruitment phase of the convict surgeonfish Acanthurus triostegus, and determined that the ecological, morphological, physiological and behavioral changes occurring at recruitment correspond to a metamorphosis mediated by thyroid hormones (TH). Then, I investigated whether this metamorphosis is prone to endocrine disruption under anthropogenic disturbances such as elevated sea water temperature and agricultural pesticide pollution. I demonstrated that such pressures can reduce TH levels at a critical developmental stage in coral-reef fishes, impairing their metamorphic processes such as intestine remodeling, sensory organ maturation, and sensory abilities acquisition, further increasing their mortality rates. Overall, this thesis is a holistic analysis that addresses molecular, histological, anatomical, and behavioral assays of multiple stressors affecting coral-reef fish recruitment. It indicates the importance of a proper endocrine function during coral-reef fish recruitment, highlighting the need for a better understanding of these processes for coral-reef conservation.
Reviews On The Larval Fish Taxonomy
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Author : M. Okiyama
language : en
Publisher:
Release Date : 1980
Reviews On The Larval Fish Taxonomy written by M. Okiyama and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.
Animal Metamorphosis
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Author :
language : en
Publisher: Academic Press
Release Date : 2013-01-17
Animal Metamorphosis written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-01-17 with Technology & Engineering categories.
This new volume of Current Topics in Developmental Biology covers recent progresses in our understanding of animal metamorphosis. Over a dozen of leading experts reviews studies ranging from morphological, molecular to genetic analyses of metamorphosis in a broad spectrum of animals, including insects, fish. Topics include molecular evolution in metamorphosis, the synthesis and function of hormones in regulating metamorphic timing and rate, regulation and function of nuclear hormone receptors, neuroendocrine control of metamorphosis, tissue specific metamorphic events such as autophagy and stem cell development, and applications of genome-wide analysis technologies for studying metamorphosis. First comprehensive review of the metamorphosis in diverse animal species by leading experts in the field Covers a broad range of subjects: from morphological changes, molecular and genetic studies, to cutting-edge technologies for metamorphic studies; from systematic changes to tissue specific events, such as autophagy and stem cell development, which are areas of enormous interest in contemporary biomedical research Serves as a reference book for undergraduate and graduate students in fields across biology and biomedicine
Fish Larval Physiology
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Author : Roderick Nigel Finn
language : en
Publisher: CRC Press
Release Date : 2020-04-30
Fish Larval Physiology written by Roderick Nigel Finn and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-04-30 with Science categories.
This book is intended as a resource for students and researchers interested in developmental biology and physiology and specifically addresses the larval stages of fish. Fish larvae (and fish embryos) are not small juveniles or adults. Rather they are transitionary organisms that bridge the critical gap between the singlecelled egg and sexually immature juvenile. Fish larvae represent the stage of the life cycle that is used for differentiation, feeding and distribution. The book aims at providing a single-volume treatise that explains how fish larvae develop and differentiate, how they regulate salt, water and acid-base balance, how they transport and exchange gases, acquire and utilise energy, how they sense their environment, and move in their aquatic medium, how they control and defend themselves, and finally how they grow up.
Reviews On The Larval Fish Taxonomy
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Author : M. Okiyama
language : en
Publisher:
Release Date : 1979
Reviews On The Larval Fish Taxonomy written by M. Okiyama and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with categories.
Reviews On The Larval Fish Taxonomy
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Author : M. Okiyama
language : en
Publisher:
Release Date : 1980
Reviews On The Larval Fish Taxonomy written by M. Okiyama and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.
Immunosuppression Of Nonhost Fish Species And Its Effect On Glochidial Metamorphosis
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Author : Sheila G. Kirk
language : en
Publisher:
Release Date : 1995
Immunosuppression Of Nonhost Fish Species And Its Effect On Glochidial Metamorphosis written by Sheila G. Kirk and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Freshwater mussels categories.
Success Factors For Fish Larval Production
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Author : Luis Conceicao
language : en
Publisher: John Wiley & Sons
Release Date : 2018-01-09
Success Factors For Fish Larval Production written by Luis Conceicao and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-09 with Technology & Engineering categories.
A comprehensive and authoritative synthesis on the successful production of fish larvae Success Factors for Fish Larval Production is a vital resource that includes the most current understanding of larval biology, in the context of larval production. The text covers topics such as how external (environmental and nutritional) and internal (molecular/ developmental/ physiological/ behavioral/ genetic) factors interact in defining the phenotype and quality of fish larvae and juveniles. The expert contributors review broodstock genetics and husbandry, water quality, larval nutrition and feeding, growth physiology, health, metamorphosis, underlying molecular mechanisms, including epigenetics, for development, larval behavior and environmental conditions. Compiled by members of a European Union-funded consortium of top researchers, Success Factors for Fish Larval Production provides a wide-range of authoritative information for the aquaculture industry and academia. In addition to a wealth of information, the authors review research and commercially applicable larval quality indicators and predictors. The successful production of good-quality fish larvae is of vital importance for fish farming and stock enhancement of wild fisheries: Includes contributions from a consortium of noted researchers and experts in the field Deals with on how to improve egg quality and larval production via broodstock management and nutrition Suggests ways to control the phenotype of juveniles and table-size fish via manipulations of the conditions of larval rearing (e.g., epigenetics) Includes ideas for optimizing diet composition, formulation, and technology Integrates knowledge and practical experience in order to help advancing excellence in aquaculture Success Factors for Fish Larval Production offers fish biologists, developmental biologists, physiologists and zoologists the most current and reliable information on the topic. All those working in fish aquaculture facilities and hatcheries in particular will find great interest to their commercial operations within this book.
