Predicted to enable arylsulfatase activity. Predicted to be located in lysosome. Is expressed in embryo; lens epithelium; neural retina; and retina. Used to study mucopolysaccharidosis IV. Human ortholog(s) of this gene implicated in mucopolysaccharidosis IVA. Orthologous to human GALNS (galactosamine (N-acetyl)-6-sulfatase). [provided by Alliance of Genome Resources, Apr 2022]