lantern fish

noun, plural (especially collectively) lan·tern·fish, (especially referring to two or more kinds or species) lan·tern·fish·es.

1. any of several small, deep-sea fishes of the family Myctophidae, having rows of luminous organs along each side, certain species of which migrate to the surface at night.

noun

1. any small deep-sea teleost fish of the family Myctophidae, having a series of luminescent spots along the body