Enables actin filament binding activity. Predicted to be involved in ion transport. Located in cytoplasm and focal adhesion. Is expressed in several structures, including alimentary system; central nervous system; early conceptus; genitourinary system; and hemolymphoid system gland. Orthologous to human LASP1 (LIM and SH3 protein 1). [provided by Alliance of Genome Resources, Apr 2022]