Predicted to enable diacylglycerol diphosphate phosphatase activity; identical protein binding activity; and phosphatidate phosphatase activity. Predicted to be involved in phospholipid dephosphorylation and regulation of calcium ion import. Predicted to act upstream of or within blastocyst hatching. Predicted to be integral component of membrane. Orthologous to human PLPP4 (phospholipid phosphatase 4). [provided by Alliance of Genome Resources, Apr 2022]