Collective decision making in guppies: a cross-population comparison study in the wild

Romain J.G. Clément, Julián Vicente-Page, Richard P. Mann, Ashley J.W. Ward, Ralf H.J.M. Kurvers, Indar W. Ramnarine, Gonzalo G. de Polavieja and Jens Krause

Behavioral Ecology, 2017, vol. 28, issue 3, 919-924

Abstract: Lay Summary We investigated collective cognition in populations subject to different levels of predation. In a choice experiment, wild guppies had to distinguish an edible from a nonedible but similar-looking object. We found that the guppies under low predation made better decisions when in groups but not those under high predation. This suggests a trade-off in the ability of fish to use collective cognition to detect predators and to detect food, depending on the predation level they face.

Keywords: collective cognition; guppy; Poecilia reticulata; social information use. (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (1)

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