Predicted to enable sphingosine-1-phosphate phosphatase activity. Predicted to be involved in phospholipid dephosphorylation; regulation of type B pancreatic cell proliferation; and sphingosine metabolic process. Predicted to be located in endoplasmic reticulum. Predicted to be active in endoplasmic reticulum membrane. Orthologous to human SGPP2 (sphingosine-1-phosphate phosphatase 2). [provided by Alliance of Genome Resources, Apr 2022]