Predicted to enable guanylate cyclase activity; identical protein binding activity; and peptide receptor activity. Involved in detection of light stimulus involved in visual perception. Located in rod photoreceptor outer segment. Is expressed in ear; inner ear; inner ear labyrinth; nervous system; and retina outer nuclear layer. Orthologous to human GUCY2F (guanylate cyclase 2F, retinal). [provided by Alliance of Genome Resources, Apr 2022]