Enables phosphatidylinositol phospholipase C activity. Predicted to be involved in phosphatidylinositol-mediated signaling and small GTPase mediated signal transduction. Predicted to act upstream of or within acrosome reaction. Predicted to be located in cytosol; endoplasmic reticulum; and plasma membrane. Orthologous to human PLCD4 (phospholipase C delta 4). [provided by Alliance of Genome Resources, Apr 2022]