lancet fish

lancetfish

[lan-sit-fish, lahn-]
noun, plural (especially collectively) lancetfish (especially referring to two or more kinds or species) lancetfishes.
any large, marine fish of the genus Alepisaurus, having daggerlike teeth.

Origin:
1830–40; lancet + fish

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lancet fish
 
n
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 10th Edition
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lancet fish

either of two species of widely distributed, deepwater marine fish of the genus Alepisaurus (the family Alepisauridae). Lancet fish are elongated and slender, with a long, very tall dorsal fin and a large mouth that is equipped with formidable fanglike teeth. The fish grow to a large size, attaining a maximum length of about 1.8 m (6 feet). Voracious and carnivorous, they feed on a variety of fish and invertebrates. The longnose lancet fish (A. ferox) is found in the Atlantic Ocean; the Pacific lancet fish (A. richardsoni or A. borealis), in the Pacific

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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