Quantity discrimination by zebrafish (Danio rerio).

  title={Quantity discrimination by zebrafish (Danio rerio).},
  author={Davide Potrich and V. A. Sovrano and G. Stancher and G. Vallortigara},
  journal={Journal of comparative psychology},
  volume={129 4},
  • Davide Potrich, V. A. Sovrano, +1 author G. Vallortigara
  • Published 2015
  • Psychology, Medicine
  • Journal of comparative psychology
  • Discrimination of quantity (magnitude) was investigated in zebrafish (Danio rerio). Male zebrafish chose to approach the location previously occupied by the larger in number between 2 groups of female conspecifics (no longer visible at test) in sets of 1 versus 2 items, and 2 versus 3 items, but failed at 3 versus 4 items; similarly, when tested with larger numbers, zebrafish succeeded with 2 versus 4, 4 versus 6, and 4 versus 8 items, but failed with 6 versus 8 items. The results suggest that… CONTINUE READING

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