Involved in the regulation of the beating frequency of motile cilia in multiciliated cells of the larval epidermis. Expressed in the left-right organizer and floor plate at embryonic stage 19 (ES19) (PubMed:31884020). Expressed in multiciliated cells of the larval epidermis and nephrostomes at ES33 and in dorsal lining of the branchial chamber and stomach at ES45 (PubMed:31884020). Morpholino knockdown of the protein results in embryos with impaired function of motile cilia of the larval epidermis and majority of embryos develop edema around the heart. Belongs to the CFAP43 family.