Visual pigments of 3 species of cartilaginous fishes.
D000818:Animals; D003623:Dark Adaptation; D004463:Ecology; D005399:Fishes / Q000528:radiation effects; D008027:Light; D011830:Radiation Effects; D012168:Retinal Pigments / Q000032:analysis*; D012754:Sharks / Q000528:radiation effects; D013053:Spectrophotometry
D012168:Retinal Pigments