title: Color changes induced by certain indole alkaloids in the fiddler crab, Uca.
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D003386:Brachyura / Q000187:drug effects / Q000502:physiology*; D004305:Dose-Response Relationship, Drug; D005123:Eye / Q000187:drug effects; D008027:Light; D008238:Lysergic Acid Diethylamide / Q000494:pharmacology*; D009132:Muscles / Q000187:drug effects / Q000502:physiology; D009799:Ocular Physiological Phenomena; D011562:Psilocybin / Q000031:analogs & derivatives* / Q000494:pharmacology; D012168:Retinal Pigments / Q000378:metabolism*; D013997:Time Factors
chemical_list: D012168:Retinal Pigments; D011562:Psilocybin; D008238:Lysergic Acid Diethylamide