Energetics of early development in the viviparous yellowtail rockfish

Total mean gestation period of all female yellowtail rockfish Sebastes flavidus, from fertilization to parturition, was 29.2 days. Hatching occurred 23 days after fertilization, followed by 6 days of larval incubation. Eggs varied in dry mass and energy content with lipid concentrations contributing...

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Bibliographic Details
Published in:Journal of fish biology 2002-11, Vol.61 (5), p.1122-1134
Main Authors: Eldridge, M B, Norton, E C, Jarvis, B M, Macfarlane, R B
Format: Article
Language:English
Subjects:
Marine
Sebastes flavidus
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Summary:Total mean gestation period of all female yellowtail rockfish Sebastes flavidus, from fertilization to parturition, was 29.2 days. Hatching occurred 23 days after fertilization, followed by 6 days of larval incubation. Eggs varied in dry mass and energy content with lipid concentrations contributing the greatest amount of energy per egg. The endogenous energy of the yolk and oil globule declined throughout gestation resulting in limited yolk and oil reserves at parturition. Copyright 2002 The Fisheries Society of the British Isles. Published by Elsevier Science Ltd. All rights reserved.
ISSN:0022-1112
1095-8649
DOI:10.1006/jfbi.2002.2127