Predicted to enable 11-cis retinal binding activity and G protein-coupled photoreceptor activity. Predicted to be involved in several processes, including cellular response to UV; entrainment of circadian clock by photoperiod; and hyaloid vascular plexus regression. Predicted to be located in cytoplasm and plasma membrane. Predicted to be integral component of plasma membrane. Orthologous to human OPN5 (opsin 5). [provided by Alliance of Genome Resources, Apr 2022]