Predicted to enable sphingosine-1-phosphate phosphatase activity. Predicted to be involved in several processes, including ER to Golgi ceramide transport; phospholipid dephosphorylation; and sphingosine metabolic process. Predicted to act upstream of or within extrinsic apoptotic signaling pathway; intrinsic apoptotic signaling pathway; and sphinganine-1-phosphate metabolic process. Predicted to be located in endoplasmic reticulum. Predicted to be active in endoplasmic reticulum membrane. Orthologous to human SGPP1 (sphingosine-1-phosphate phosphatase 1). [provided by Alliance of Genome Resources, Apr 2022]