Sneaking behavior and nest defence are affected by predation risk in the common goby
Article Abstract:
A study of the influence of predation on the nesting and sneaking behavior activity of male goby fishes reveals that predation suppresses the aggression and sneaking activities of male goby fishes. The common goby males build nests to attract females and protect the nests until the eggs hatch. Small males, unable to build nests, sneak into the nests of other males and fertilise some of the eggs. Original nest builders attack and chase away the intruder males. The aggressive behavior of the owner male depends upon the predation risk.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1995
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Effects of sex-ratio on intra- and inter-sexual behavior in sand gobies
Article Abstract:
The influence of sex ratio on the reproductive behavior and mating success of Pomatoschistus minutus was investigated. The results showed that sex ratio rather than density caused differences in the intra-sexual behavior of both males and females. It was also shown that changes in the sex ratio caused changes in the competition for mates and that individuals adjusted their mating behavior according to the sex ratio.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1995
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Influence of predation risk on individual competitive ability and growth in Eurasian perch, Perca fluviatilis
Article Abstract:
A study is conducted on groups of four similar - sized - young of the year Eurasian perch, Perca fluviatilis, to analyze the influence of predation risk to their individual competitive ability and growth. It is observed that predation risk does not affect growth variations in the groups.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 2004
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