Asia: Petagas, Padas and Mengalong river basins in western Sabah and Temburong River basin in Brunuei Darussalam.

Dorsal soft rays (total): 8; Analsoft rays: 4; Vertebrae: 29 - 32

4.6 cm SL (male/unsexed; (Ref. 56228))

Distinguished from its congeners in possessing the following unique combination of characters: angular gill slit; subopercular groove present and continuous to pectoral fin origin; body, including dorsum, brown; head dorsum with very fine cream reticulate pattern (similar to a cream head with brown spots and blotches); dorsal, caudal and anal fins blue in life; presence of sublacrymal groove; snout rounded when viewed dorsally; absence of secondary rostrum; absence of postoral pouch; scales absent on belly; 47-65 scales in lateral line (Sabah population: 56-65, Brunei population: 47-49); pelvic fin not overlapping level of anal fin origin, adpressed dorsal fin falling short of level of anal fin origin (Ref. 56228).

demersal; freshwater

Not Evaluated