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lancet fish

British  

noun

  1. 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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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The sword fishes Xiphidae, the lancet fishes, Acanthuridae, and the scabbard fishes, Trichuridae, are distributed through the seas of south Asia.

From Project Gutenberg