Development of the Gill System in Early Ontogenesis of the Zebrafish and Ninespine Stickleback

Development of the Gill System in Early Ontogenesis of the Zebrafish and Ninespine Stickleback We studied specific features of development of the gill system during ontogenesis of the zebrafish Danio rerio and ninespine stickleback Pungitius pungitius, which differ in the rates of gill system, development. Although the development of sticklebacks proceeds in nature at lower temperatures than for zebrafish, the rate of gill formation in the former is higher. These differences are related to the specific conditions in which these fish develop: embryonic and larval development of the stickleback proceeds in bodies of water with a lower oxygen content than for zebrafish, and this results in the adaptive alteration of the rate of gill system development. Differentiation of gills in the zebrafish is accompanied by a manifold increase in the oxygen consumption rate. At different developmental stages, the incremental rates of oxygen consumption and increase in the body mass of the zebrafish larvae and fry differed significantly. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Developmental Biology Springer Journals

Development of the Gill System in Early Ontogenesis of the Zebrafish and Ninespine Stickleback

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2002 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Animal Anatomy / Morphology / Histology
ISSN
1062-3604
eISSN
1608-3326
D.O.I.
10.1023/A:1014916229219
Publisher site
See Article on Publisher Site

Abstract

We studied specific features of development of the gill system during ontogenesis of the zebrafish Danio rerio and ninespine stickleback Pungitius pungitius, which differ in the rates of gill system, development. Although the development of sticklebacks proceeds in nature at lower temperatures than for zebrafish, the rate of gill formation in the former is higher. These differences are related to the specific conditions in which these fish develop: embryonic and larval development of the stickleback proceeds in bodies of water with a lower oxygen content than for zebrafish, and this results in the adaptive alteration of the rate of gill system development. Differentiation of gills in the zebrafish is accompanied by a manifold increase in the oxygen consumption rate. At different developmental stages, the incremental rates of oxygen consumption and increase in the body mass of the zebrafish larvae and fry differed significantly.

Journal

Russian Journal of Developmental BiologySpringer Journals

Published: Oct 13, 2004

References

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