Enables NAD-retinol dehydrogenase activity. Involved in retinoid metabolic process. Located in endoplasmic reticulum lumen. Is expressed in several structures, including central nervous system; embryo ectoderm; genitourinary system; gut; and sensory organ. Human ortholog(s) of this gene implicated in fundus albipunctatus and night blindness. Orthologous to human RDH5 (retinol dehydrogenase 5). [provided by Alliance of Genome Resources, Apr 2022]