Rear of body appears to be cut-off, the caudal fin reduced to a leathery flap with a scalloped rear edge. Gill slit tiny, located just in front of pectoral fin. 1 dorsal fin opposite the anal fin, far back. No pelvic fins. Skin rough, leathery.
Molas eat jellyfishes, but are also know to feed on other fishes and algae.
They are pelagic fishes found worldwide in tropical to temperate seas. 2 species in Tropical Pacific. 1 dorsal fin far back, opposite anal fin. Gill slit small, in front of pectoral fin. Gray to silvery.