This species is distinguished by the following features: 6 median predorsal scales; 3 scale rows on cheek 1(5), 2(5-6), 3(2); lips largely covering the dental plates; caudal fin is truncate to slightly rounded. Colour overall is green to purplish or bluish, sometimes a pink patch on pectoral region, often with lime-green saddle on upper caudal-fin base, a dark green 'moustache' and pale green patch on cheek (Ref. 90102).