Oreoglanis heteropogon Vidthayanon, Saenjundaeng & Ng, 2009
Oreoglanis heteropogon
photo by Vidthayanon, C.

Family:  Sisoridae (Sisorid catfishes), subfamily: Glyptosterninae
Max. size:  6.99 cm SL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  Asia: Salween River drainage in western Thailand.
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 7-7; Anal soft rays: 6-6; Vertebrae: 38-38. Belongs to the Oreoglanis siamensis species group as it possesses a distinct median notch on the posterior margin of the lower lip. Can be distinguished from other members of the genus by the combination of the following characters: nasal barbel reaching to anterior margin of orbit, maxillary barbel with pointed tip, and pectoral fins not reaching pelvic-fin origin (Ref. 83406). Description: Dorsal fin rays i,6; anal fin rays i,5; pectoral fin rays i,19; pelvic fin rays i,5. Caudal fin emarginate. Paired fins greatly enlarged, forming ovoid adhesive disc with body (Ref. 83406).
Biology: 
IUCN Red List Status: Endangered (EN); Date assessed: 19 January 2011 (B2ab(iii,v)) Ref. (130435)
Threat to humans:  harmless


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