caa a22 4500 477116655 CHVBK 20180405111624.0 cr unu---uuuuu 170330e19961201xx s 000 0 eng 10.1007/BF00005055 doi (NATIONALLICENCE)springer-10.1007/BF00005055 Periodicity of reproductive behaviour by the blue tilapia, Oreochromis aureus [Elektronische Daten] [Joseph Marshall, Paul Bielic] Synopsis: 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. Kluwer Academic Publishers, 1996 Mouthbrooding nationallicence Phase-shift nationallicence Substrate-spawning nationallicence Photoperiod nationallicence Light cycle nationallicence Diel nationallicence Lek nationallicence Marshall Joseph Department of Biology, West Virginia University, 26506, Morgantown, WV, U.S.A. aut Bielic Paul Department of Biology, West Virginia University, 26506, Morgantown, WV, U.S.A. aut Environmental Biology of Fishes Kluwer Academic Publishers; http://www.wkap.nl 47/4(1996-12-01), 411-414 0378-1909 47:4<411 1996 47 10641 https://doi.org/10.1007/BF00005055 text/html Onlinezugriff via DOI 1 brief-communication jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF00005055 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Marshall Joseph Department of Biology, West Virginia University, 26506, Morgantown, WV, U.S.A aut NATIONALLICENCE 700 1- Bielic Paul Department of Biology, West Virginia University, 26506, Morgantown, WV, U.S.A aut NATIONALLICENCE 773 0- Environmental Biology of Fishes Kluwer Academic Publishers; http://www.wkap.nl/ 47/4(1996-12-01), 411-414 0378-1909 47:4<411 1996 47 10641 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer