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Sneaky egg-eating in Telmatherina sarasinorum, an endemic fish from Sulawesi

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Observations of a novel behavioural tactic employed by egg-eating male Telmatherina sarasinorum are described. Four T. sarasinorum males were observed actively courting females of closely related Telmatherina antoniae, enticing the female to spawn, and then eating the eggs. The possible evolutionary implications of sneaky egg-eating behaviour are discussed.

Keywords: Telmatherinidae; deceptive behaviour; foraging tactic; interspecific interactions; oophagy

Document Type: Research Article


Affiliations: 1: Department of Biological Sciences, University of Wisconsin–Whitewater, Whitewater, WI 53190, U.S.A. 2: Department of Agriculture, Tadulako University, Palu, Indonesia 3: Behavioural Ecology Research Group, Department of Biological Sciences, Simon Fraser University, Burnaby, BC, V5A 1S6 Canada

Publication date: 2008-08-01

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