Steroids in sturgeon's migration regulation

In the sea period the gonads of Russian sturgeon (Acipenser gueldenstadtii Br.) are far from maturity and serum steroids levels are low. At the beginning of river period of anadromous migration in the spring, the maturity stage of the gonads state differs amongst various seasonal races (forms) of st...

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Published inFish physiology and biochemistry Vol. 28; no. 1-4; pp. 263 - 264
Main Authors Barannikova, I.A., Baunova, L.V., Gruslova, A.B., Semenkova, T.B.
Format Journal Article
LanguageEnglish
Published Dordrecht Springer Nature B.V 01.01.2003
Subjects
Acipenser
Acipenser gueldenstaedtii
Brackish
Freshwater
Marine
Migration
Steroids
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Summary:In the sea period the gonads of Russian sturgeon (Acipenser gueldenstadtii Br.) are far from maturity and serum steroids levels are low. At the beginning of river period of anadromous migration in the spring, the maturity stage of the gonads state differs amongst various seasonal races (forms) of sturgeons; in spite of these differences cortisol and testosterone concentrations are elevated in both. The data demonstrate the possible role of cortisol and testosterone the regulation of migration in sturgeons.[PUBLICATION ABSTRACT]
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ISSN:0920-1742
1573-5168
DOI:10.1023/B:FISH.0000030547.91353.83