Piebald horseface loach (Acantopsis rungthipae) is a ray-finned fish of the family Cobitidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 12 cm. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms.
Dorsal soft rays (total): 9 - 10; Vertebrae: 41 - 43. Acantopsis rungthipae is distinguished from all congeners by the combination of the following characters; absence of exposed labial barbels; upper margin of caudal-fin base usually with distinct small black spot; side of head with 0-1 row of large spots; absence of large black spots on dorsal or caudal fins; absence of black specks beneath midlateral row of black spots (rarely present); dorsal fin usually with 9½ branched rays and pectoral fin with 10 rays; 10-20 dark saddles along dorsal midline; 9-17 black spots on side of body; 41-43 total vertebrae; and body depth 9.0-14.2% SL, body width 5.3-10.3% SL, caudal-peduncle length 11.5-16.1% SL .: elongated.
Behavioural data for Piebald horseface loach is currently being reviewed.
Freshwater; demersal. Tropical
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