Enables aldehyde oxidase activity; protein homodimerization activity; and retinal oxidase activity. Involved in xenobiotic metabolic process. Located in cytosol. Is expressed in retina. Human ortholog(s) of this gene implicated in amyotrophic lateral sclerosis. Orthologous to human AOX1 (aldehyde oxidase 1). [provided by Alliance of Genome Resources, Apr 2022]