Mitophagy receptor which plays a role in paternal mitochondria degradation in embryos after the two-cell stage. Broadly expressed in somatic tissues (PubMed:31233739). Expressed in the hermaphrodite spermatheca and male gonad (PubMed:31233739). Expressed in spermatids, but not expressed in oocytes (PubMed:31233739). Belongs to the FUN14 family.