Cephalopod retinochrome.
D000818:Animals; D003624:Darkness; D049832:Decapodiformes; D004210:Dissection / Q000379:methods; D008974:Mollusca / Q000032:analysis*; D049831:Octopodiformes; D010786:Photoreceptor Cells / Q000032:analysis*; D012168:Retinal Pigments / Q000302:isolation & purification*; D012374:Rod Cell Outer Segment / Q000032:analysis*; D013053:Spectrophotometry
D012168:Retinal Pigments; C023421:retinochrome