lancetfish

[ lan-sit-fish, lahn- ]
/ ˈlæn sɪtˌfɪʃ, ˈlɑn- /

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

any large, marine fish of the genus Alepisaurus, having daggerlike teeth.

Origin of lancetfish

First recorded in 1830–40; lancet + fish

British Dictionary definitions for lancet fish

lancet fish

noun

either of two deep-sea teleost fishes, Alepisaurus ferox or A. borealis, having a long body with a long sail-like dorsal fin: family Alepisauridae