Predicted to be involved in protein localization to motile cilium and sperm mitochondrial sheath assembly. Predicted to act upstream of or within sperm axoneme assembly. Predicted to be located in sperm midpiece. Human ortholog(s) of this gene implicated in spermatogenic failure 49. Orthologous to human CFAP58 (cilia and flagella associated protein 58). [provided by Alliance of Genome Resources, Apr 2022]