Predicted to enable double-stranded RNA binding activity; microtubule binding activity; and single-stranded RNA binding activity. Predicted to be involved in cell differentiation and spermatogenesis. Predicted to act upstream of or within mechanosensory behavior and spermatid development. Predicted to be located in manchette and nucleus. Orthologous to human STRBP (spermatid perinuclear RNA binding protein). [provided by Alliance of Genome Resources, Apr 2022]