title: The effects of screening pigments on the spectral sensitivity of some crustacea with scotopic (superposition) eyes.
mesh_terms: D000818:Animals; D003400:Astacoidea / Q000502:physiology; D003445:Crustacea / Q000502:physiology*; D008027:Light; D008121:Nephropidae / Q000502:physiology; D010786:Photoreceptor Cells / Q000502:physiology; D012168:Retinal Pigments / Q000502:physiology*; D013053:Spectrophotometry
chemical_list: D012168:Retinal Pigments