Aggressive mimicry and other interspecific feeding associations among Red Sea coral reef predators
2009
A description is given of the range of interspecific feeding associations used by fish predators on a
coral reefin the Sudanese Red Sea. The types of association observed are classified as (i) following and scavenging, (ii) hunting by “riding”, (iii) hunting by
aggressive mimicryand (iv) joint hunting. In particular quantitative accounts are given for previously un-described examples of the use of riding by Diploprion drachi and
Cheilinusdiagrammus, and of the use of
aggressive mimicryby
Cheilinusdiagrammus and
Epibulus insidiator. These two examples of
aggressive mimicryinvolve colour change by the mimic which then associates with the species which it is mimicking. The frequency of the occurrence of joint hunting involving
Gomphosus caeruleusand
Parupeneuschryseredros or P.
macronemais also described. In all, 24 species of predator were observed involved in one or more of these forms of feeding association. It is noted that some of these predators make use of these associations very frequently during feeding, and that they may associate with a selection of other species depending on their availability.
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