Influence of rearing temperature at two periods during early life on growth and sex differentiation of two strains of European sea bass

Authors: C.C. Mylonas¹; L. Anezaki²; P. Divanach³; S. Zanuy⁴; F. Piferrer⁵; B. Ron⁶; A. Peduel⁶; I. Ben Atia⁶; S. Gorshkov⁶; A. Tandler⁶

Source: Fish Physiology and Biochemistry, Volume 28, Numbers 1-4, 2003 , pp. 167-168(2)

Publisher: Springer

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Abstract:

The effect of water temperature on sex differentiation was examined in European sea bass (Dicentrarchus labrax) of two strains from the Northwestern and Southeastern Mediterranean Sea, during larval or nursery rearing. Temperatures <17 °C enhanced feminization, while 21 °C during larval rearing induced higher male% compared to the nursery stage, and the overall male% was significantly different among strains (P < 0.05). The study shows that management of larval rearing temperature can prevent the high male% observed in cultured populations.

Document Type: Research article

DOI: http://dx.doi.org/10.1023/B:FISH.0000030514.63577.84

Affiliations: 1: Institute of Marine Biology of Crete, P.O. Box 2214, Iraklion, Crete 71003, Greece Phone: +30-2810285443; mylonas@imbc.gr, Fax: +30-2810-241882, Email: mylonas@imbc.gr 2: Institute of Marine Biology of Crete, P.O. Box 2214, Iraklion, Crete 71003, Greece (Phone: +30-2810285443 3: Institute of Marine Biology of Crete, P.O. Box 2214, Iraklion, Crete 71003, Greece 4: Institute of Aquaculture of Torre La Sal, Rivera de Cabanes, Castellon, Spain 5: Institute of Marine Sciences, Passeig Maritim 37-49, 08003 Barcelona, Spain 6: National Center for Mariculture, P.O. Box 1212, Eilat 88112, Israel