Rod OpsinsCone OpsinsOpsinsMolecular WeightMolecular Sequence DataAmino Acid SequenceRetinal Cone Photoreceptor CellsRetinal Rod Photoreceptor CellsMicrospectrophotometryRhodopsinRetinaldehydeVision, OcularRetinal PigmentsLight Signal TransductionRetinaCompound Eye, ArthropodTransducinPhylogenyPhotoreceptor CellsPhotoreceptor Cells, VertebrateHydrozoa