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Books > Science & Mathematics > Biology, life sciences > Life sciences: general issues > Ecological science, the Biosphere
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When do fishes become juveniles? (Paperback, Softcover reprint of the original 1st ed. 1998)
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When do fishes become juveniles? (Paperback, Softcover reprint of the original 1st ed. 1998)
Series: Developments in Environmental Biology of Fishes, 19
Expected to ship within 10 - 15 working days
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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.
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