Inhabits narrow (to about 15-20 m wide), clear rivers with gradual gradients flowing initially through second growth forest, but entering primary, nearly closed canopy forest after about 1 km upstream from the sea. Collected from deeper pools (to about 2-3 m) over limestone cobble/-gravel bottoms with slow to moderate flow rates; temperature of 25.5° and pH 8.7 .
Dorsal spines (total): 4 - 6; Dorsal soft rays (total): 11 - 14; Anal spines: 1; Anal soft rays: 19 - 22. This rainbowfish is distinguished by the following set of characters: D IV to VI-I,11-14; A I,19-22; pectoral rays 13 or 14; lateral scales 31-33 (often 33); colour generally brownish on back (blue in life), pale tan or whitish below with blackish (bluish black in life) midlateral stripe from upper edge of preopercle to caudal-fin base, covering about one and a half scale rows for most of its length and more strongly contrasted in males .
Behavioural data for aquarium is currently being reviewed.
Diet information for aquarium is currently being compiled.
Reproduction data for aquarium is currently being compiled.
Freshwater; pelagic; depth range 0 - 3 m . Tropical
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