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

Author

Listed:
  • 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
  • Jens Krause

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.

Suggested Citation

  • 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 & Jens Krause, 2017. "Collective decision making in guppies: a cross-population comparison study in the wild," Behavioral Ecology, International Society for Behavioral Ecology, vol. 28(3), pages 919-924.
    • Handle: RePEc:oup:beheco:v:28:y:2017:i:3:p:919-924.
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    File URL: http://hdl.handle.net/10.1093/beheco/arx056
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    Cited by:

    1. Pulido, Maria Teresa & Saloma, Caesar, 2020. "Local acceptance and emergence of consensus in a heterogeneous small-world network of agents with and without memory," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 548(C).

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