Predicted to be involved in cilium assembly and cilium movement involved in cell motility. Predicted to be located in 9+2 motile cilium. Predicted to be part of radial spoke. Predicted to be active in axoneme. Human ortholog(s) of this gene implicated in primary ciliary dyskinesia 12. Orthologous to human RSPH9 (radial spoke head component 9). [provided by Alliance of Genome Resources, Apr 2022]