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n. pl. lancetfish or lan·cet·fish·es
Either of two large, elongated marine fishes (Alepisaurus ferox or A. brevirostris) having long sharp teeth, a large dorsal fin, and no scales.
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Noun1.lancetfish - large elongate scaleless oceanic fishes with sharp teeth and a long dorsal fin that resembles a sail
malacopterygian, soft-finned fish - any fish of the superorder Malacopterygii
Alepisaurus, genus Alepisaurus - slender scaleless predaceous tropical deep-sea fishes
References in periodicals archive ?
-- Escolar Lepidocybium flavobrunneum 1208 Great barracuda Sphyraena barracuda 32 Lancetfish (LN) Alepisaurus ferox 2788 Lancetfish (SN) Alepisaurus brevirostris -- Lancetfishes Alepisaurus spp.
However, large epi-and mesopelagic fishes, inhabiting the same or bordering niches with lancetfishes are able to evade attack, as a rule, because of their swimming speeds.