Gill [T. N.]
Body oblong, subcylindrical, slightly laterally compressed; head large, cavernous and with ridges covered by thin skin; eyes small in many species; snout blunt; mouth oblique, jaws long (extending to posterior margin of eye or beyound); villiform teeth on jaws; no teeth on vomer, palatines, endo- and ectopterygoid; 1 supramaxilla (absent in <b><i>Scopelogadus </i></b> ); brachiostegal rays 7-8; orbitosphenoid, basisphenoid, subocular shelf, antorbital absent. Dorsal fin with 1-3 spines and 9-18 soft rays; anal fin with 1 spine and 7-11 soft rays; pectoral fins with 12-16 soft rays; pelvic fins thoracic, with 1 spine and 6-8 soft rays. Scales cycloid, usually deciduous, moderate-sized to large (<b><i>Scopelogadus </i></b> ), 12-40 in longitudinal series; lateral line rudimentary (one or two pored scales behind upper edge of operculum); vertebrae 24-31. Color dark brown to blackish. Maximum length 16 cm. Meso- and bathypelagic fishes known in all oceans (except the Arctic Ocean). Adults usually occur below 100-200 m (some deeper than 3000 m), young occur more shallow. Feed on zooplankton. The major revisions: Ebeling 1962 [ref. 5896], Moss 1962 [ref. 3047], Ebeling & Weed 1963 [ref. 4616], Ebeling & Weed 1973 [ref. 6898], Ebeling 1975 [ref. 7105]. The family includes 36 species and 5 genera.</i></b>
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