Butterfly skate

Butterfly skate can refer to any of three species of skate:
 * Bathyraja papilionifera, a species of skate found in the Southwest Atlantic.
 * Leucoraja naevus, a species of skate, also known as the Cuckoo ray, found in the Eastern Atlantic.
 * Bathyraja mariposa, a species of skate found off the coast of Alaska, especially the Aleutian Islands.