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The lancet fishes have one long and very high dorsal fin, soft-rayed from end to end; a small adipose fin behind the dorsal fin, like that of a salmon or smelt; a deeply forked caudal fin; a short anal, most of which is behind the rear end of the dorsal; large pointed pectorals and ventrals; [page 161] and a very wide mouth with large teeth. Several species are known, all belonging to deep water; only one has been taken within the province covered by this report. Their closest affinities seem to lie with the lanternfishes (p. 141).