Predicted to enable actin filament binding activity. Predicted to be involved in actin filament bundle assembly; cell migration; and establishment or maintenance of cell polarity. Predicted to act upstream of or within spermatid development. Located in cytoplasm. Is expressed in testis. Orthologous to human FSCN3 (fascin actin-bundling protein 3). [provided by Alliance of Genome Resources, Apr 2022]