Effects of age and size on critical swimming speed of juvenile Chinese sturgeon Acipenser sinensis at seasonal temperatures.

作者: X. He , S. Lu , M. Liao , X. Zhu , M. Zhang

DOI: 10.1111/J.1095-8649.2012.12015.X

关键词:

摘要: Changes in the critical swimming speed (Ucrit , cm s(-1) ) with ontogeny of 2·5-12·5 month-old juvenile anadromous Chinese sturgeon Acipenser sinesis were measured a modified Blazka-type tunnel. The absolute Ucrit increased length, mass and age; relative U(')crit (body lengths, s(-1) ), however, decreased. Juvenile A. did not display parr-smolt transformation at length or age threshold to tolerate full-strength seawater.

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