The reactions of integumentary melanophores to background changes in intact and hypophysectomized Ictalurus melas (Rafinesque).
D000222:Adaptation, Physiological; D000818:Animals; D002856:Chromatophores / Q000502:physiology / Q000528:radiation effects*; D003624:Darkness; D005399:Fishes / Q000502:physiology*; D007016:Hypophysectomy; D008027:Light; D011830:Radiation Effects; D013997:Time Factors