Predicted to enable G protein-coupled photoreceptor activity and identical protein binding activity. Predicted to be involved in several processes, including cellular response to light stimulus; phototransduction; and positive regulation of cytokinesis. Located in photoreceptor outer segment. Human ortholog(s) of this gene implicated in blue cone monochromacy; red color blindness; and red-green color blindness. Orthologous to several human genes including OPN1MW2 (opsin 1, medium wave sensitive 2). [provided by Alliance of Genome Resources, Apr 2022]