| Family: |
Sisoridae (Sisorid catfishes), subfamily: Glyptosterninae |
| Max. size: |
7.33 cm SL (male/unsexed) |
| Environment: |
demersal; freshwater |
| Distribution: |
Asia: Nam Ruak River drainage, a western tributary of the Mekong River in northern Thailand. |
| Diagnosis: |
Dorsal spines (total): 0-0; Dorsal soft rays (total): 6-7; Anal soft rays: 4-6; Vertebrae: 36-38. 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 in having a combination of the following characters: short nasal barbel reaching to midway between its base and anterior orbital margin, maxillary barbel with rounded tip, length of adipose-fin base 30.7-38.1 % SL, caudal peduncle length 19.2-24.9 % SL, eye diameter 8.9-15.3 % HL, and a lunate caudal fin having upper and lower first principal rays of approximately equal length (Ref. 83406).
Description: Dorsal fin rays i,5 or i,6; anal fin rays i,3, i,4 or ii,4; pectoral fin rays i,18, i,19 or i,20; pelvic fin rays i,5. Paired fins enlarged, forming an elongate ovoid adhesive disc with body (Ref. 83406). |
| Biology: |
Occurs in rocky, fast-flowing streams (Ref. 83406). |
| IUCN Red List Status: |
Data deficient (DD); Date assessed: 19 January 2011 Ref. (130435)
|
| Threat to humans: |
harmless |
Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.
