The control of circadian pigment changes in the pencil fish: a proposed role for melatonin.
D000818:Animals; D001766:Blindness; D002940:Circadian Rhythm; D003624:Darkness; D005399:Fishes / Q000502:physiology*; D008027:Light; D008550:Melatonin / Q000494:pharmacology / Q000502:physiology*; D010858:Pigmentation
D008550:Melatonin