Periodicity of reproductive behaviour by the blue tilapia,Oreochromis aureus

descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 1996 English Publisher:Springer Science and Business Media LLCJournal:Environmental Biology of Fishes, volume 47, pages 411-414 (issn: 0378-1909, eissn: 1573-5133,

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Authors: Joseph A. Marshall; Paul E. Bielic;

doi: 10.1007/bf00005055

Periodicity of reproductive behaviour by the blue tilapia,Oreochromis aureus

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Abstract

Oreochromis aureus exhibits a diel periodicity of spawning when maintained on a controlled 14:10 light:dark photoperiod, with a peak in spawning activity during the 11th hour of light. That this periodicity of spawning is a response to light is supported by phase-shifting the light cycle by seven hours. This results in a corresponding shift in the times of spawning.

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West Virginia University Institute of Technology
United States
West Virginia University
United States

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