Genus Chlorophthalmus

The genus Chlorophthalmus is characterised by the following a combination of characters: lateral-line scales greater than 46; scale rows above lateral line greater than 3; snout profile straight or slightly concave; snout length in horizontal orbit diameter 1.0-1.8; anterior part of lower-jaw teeth exposed; vomerine teeth of moderate size; palatine teeth minute, restricted to anterior half of bone; posterior tip of upper jaw not extending beyond vertical through eye center; origin of dorsal fin posterior to vertical through pelvic-fin origin; anus very close to pelvic-fin base; light organ present near anus.