The use of multiple sources of social information in contest behavior : testing the social cognitive abilities of a cichlid fish

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2015
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Hotta, Takashi
Takeyama, Tomohiro
Heg, Dik
Awata, Satoshi
Kohda, Masanori
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Frontiers in Ecology and Evolution. 2015, 3, 85. eISSN 2296-701X. Available under: doi: 10.3389/fevo.2015.00085
Zusammenfassung

Theory suggests that living in large social groups with dynamic social interactions often favors the evolution of enhanced cognitive abilities. Studies of how animals assess their own contest ability commonly focus on a single cognitive task, and little is known about the diversity or co-occurrence of cognitive abilities in social species. We examined how a highly social cichlid fish Julidochromis transcriptus uses four major cognitive abilities in contest situations; direct experience, winner/loser effects, social eavesdropping and transitive inference (TI). We conducted experiments in which fish assessed the social status of rivals after either direct physical contests or observed contests. Individuals used direct information from a previous physical encounter to re-establish dominance without additional contact, but winner/loser effects were not observed. Social eavesdropping alone was ruled out, but we found that transitive reasoning was used to infer social dominance of other individuals of unknown status. Our results suggest that in stable hierarchical social groups, estimations of contest ability, based on individual recognition pathways such as TI and direct experience, are more prevalent than social eavesdropping or winner/loser effects. We suggest that advanced cognitive abilities might be widespread among highly social fishes, but have previously gone undetected.

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570 Biowissenschaften, Biologie
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ISO 690HOTTA, Takashi, Tomohiro TAKEYAMA, Dik HEG, Satoshi AWATA, Alex JORDAN, Masanori KOHDA, 2015. The use of multiple sources of social information in contest behavior : testing the social cognitive abilities of a cichlid fish. In: Frontiers in Ecology and Evolution. 2015, 3, 85. eISSN 2296-701X. Available under: doi: 10.3389/fevo.2015.00085
BibTex
@article{Hotta2015-08-03multi-38869,
  year={2015},
  doi={10.3389/fevo.2015.00085},
  title={The use of multiple sources of social information in contest behavior : testing the social cognitive abilities of a cichlid fish},
  volume={3},
  journal={Frontiers in Ecology and Evolution},
  author={Hotta, Takashi and Takeyama, Tomohiro and Heg, Dik and Awata, Satoshi and Jordan, Alex and Kohda, Masanori},
  note={Article Number: 85}
}
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