Enables aldehyde dehydrogenase (NADP+) activity. Involved in cellular detoxification of aldehyde; retinol metabolic process; and visual perception. Acts upstream of or within adaptation of rhodopsin mediated signaling. Located in photoreceptor inner segment. Is expressed in cerebral cortex ventricular layer and diencephalon. Orthologous to human RDH11 (retinol dehydrogenase 11). [provided by Alliance of Genome Resources, Apr 2022]