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The Effects of Light Intensity and Color on Aggressive Interactions in the Dusky Kob, Argyrosomus japonicus

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Item Summary

Title: The Effects of Light Intensity and Color on Aggressive Interactions in the Dusky Kob, Argyrosomus japonicus
Authors: Timmer, Rowan
Magellan, Kit
Keywords: aggression
Argyrosomus japonicus
cannibalism
dusky kob
light intensity
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LC Subject Headings: Fish culture--Israel--Periodicals.
Fish culture--Periodicals.
Aquaculture--Israel--Periodicals.
Aquaculture--Periodicals.
Issue Date: 2011
Publisher: Israeli Journal of Aquaculture - BAMIGDEH
Citation: Rowan Timmer and Kit Magellan (2011). The Effects of Light Intensity and Color on Aggressive Interactions in the Dusky Kob, Argyrosomus japonicus. The Israeli Journal of Aquaculture - Bamidgeh, 63, 9 pp.
Series/Report no.: The Israeli Journal of Aquaculture - Bamidgeh
Abstract: The dusky kob, Argyrosomus japonicus, is highly susceptible to stress under culture conditions. Such stress frequently involves a high degree of aggression, leading to cannibalism. Here, the effects of light intensity and color on the frequency of aggressive interactions and the time that passes between presentation of food and food first being eaten (feeding latency) in this species were examined. Aggression was lowest when fish were maintained in partial shade and highest in red light. Feeding latency was not affected by light treatment. The results can aid the aquaculture industry in determining the optimal light intensity for minimizing aggressive behavior in A. japonicus.
Pages/Duration: 9 pages
URI/DOI: http://hdl.handle.net/10524/36295
ISSN: 0792-156X
Appears in Collections:IJA Volume 63, 2011



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