Predicted to enable RNA binding activity. Acts upstream of or within negative regulation of myoblast differentiation. Predicted to be located in nucleus. Predicted to be active in cytoplasm and nucleoplasm. Is expressed in several structures, including 1st branchial arch; early conceptus; genitourinary system; hemolymphoid system gland; and sensory organ. Orthologous to human MBNL3 (muscleblind like splicing regulator 3). [provided by Alliance of Genome Resources, Apr 2022]