This species is distinguished by the following characters: median predorsal scales 4; 2 scale rows on cheek, 1(5-7), 2(4-7); pectoral-fin rays 13-15 (usually 14); female usually 1 conical tooth on side of upper dental plate, terminal male with single tooth on side of lower dental plate, lips largely covering dental plates; caudal fin slightly emarginate in small female to deeply emarginate in large TP male. Colour of male green to pale brownish with salmon pink or bluish scale margins, a lavender-grey snout, bluish to lavender caudal fin and the nuptial male with a brilliant yellow body; female overall reddish brown to grey, usually pale snout (Ref. 90102).