OpsinsRod OpsinsCone OpsinsRetinal Cone Photoreceptor CellsMicrospectrophotometryRhodopsinRetinaldehydeRetinal PigmentsLight Signal TransductionVision, OcularCompound Eye, ArthropodPhylogenyPhotoreceptor Cells, VertebrateRetinal Rod Photoreceptor CellsHydrozoaRetinaPhotoreceptor Cells, InvertebratePoeciliaCichlidsColor VisionTransducinG-Protein-Coupled Receptor Kinase 1Molecular Sequence DataDrug Inverse AgonismButterfliesPineal GlandEye ProteinsEvolution, MolecularCyprinodontiformesFish ProteinsLightCrustaceaEyePhotoreceptor CellsInvertebratesAmino Acid Sequencecis-trans-IsomerasesLizardsArrestinArthropodsThyroid Hormone Receptors betaGene DuplicationDark AdaptationUrodelaIn Situ HybridizationRetinitis PigmentosaSpecies SpecificityVertebratesSequence Homology, Amino AcidAmbystomaColorRetinal Photoreceptor Cell Outer SegmentSequence AlignmentFluorescent Antibody Technique, IndirectArthropod ProteinsColor PerceptionFishesBase SequenceElectroretinography