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Genus: Diplogrammus, Dragonets


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opercular spine - 3 points, curves up
lower side belly - skin fold
D 6; A 4

DIPLOGRAMMUS

DRAGONETS

Elongate, somewhat depressed; body with a fold of skin along its lower edge on each side, from belly to tail fin base; eyes large, on upper side of head; a small mouth that angles down when open, with a protrusible top jaw; preoperculum with a large, broad-based spine with a three-pointed, upturned tip, but no spines or the operculum; gill openings small and high on the shoulder; two dorsal fins, IV flexible spines + 6 soft rays; anal fin with 4 rays and no spines; pectorals large, rounded; pelvics insert under preopercular spine, large, reach past anal fin origin in males; tail fin long, pointed; lateral line complete, extends onto tail fin; no scales.

A genus found pantropically except for the eastern Pacific; with 7 species; 1 endemic in our area.