title: A psychophysical demonstration of goldfish trichromacy.
mesh_terms: D000221:Adaptation, Ocular; D000818:Animals; D001522:Behavior, Animal; D003118:Color Perception / Q000502:physiology*; D003214:Conditioning, Classical; D003530:Cyprinidae / Q000502:physiology*; D004192:Discrimination, Psychological; D006054:Goldfish / Q000502:physiology*; D011601:Psychophysics; D013053:Spectrophotometry