- any of the flat-bodied marine fishes of the family Ogcocephalidae found worldwide in tropical and subtropical oceans, including Ogcocephalus vespertilio(Brazilian batfish ) of the coastal western Atlantic Ocean, especially along the coast of Brazil.
- an eagle ray, Myliobatis californicus, found off the coast of California and southward to the Galapagos Islands.
- any angler of the family Ogcocephalidae, having a flattened scaleless body and moving on the sea floor by means of fleshy pectoral and pelvic fins