Enables phospholipase A1 activity. Predicted to be involved in lipid catabolic process. Predicted to act upstream of or within lipid metabolic process. Located in acrosomal membrane. Is expressed in adrenal gland; alimentary system; gland; and liver. Orthologous to human PLA1A (phospholipase A1 member A). [provided by Alliance of Genome Resources, Apr 2022]