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Pseudobagarius inermis (Ng & Kottelat, 2000) |
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photo by
Ng, H.H. |
| Family: | Akysidae (Stream catfishes), subfamily: Akysinae | |||
| Max. size: | 3.52 cm SL (male/unsexed) | |||
| Environment: | demersal; freshwater | |||
| Distribution: | Asia: Xe Banghiang and Xe Kong drainages of the Mekong River drainages in southern Laos. | |||
| Diagnosis: | Dorsal spines (total): 1-1; Dorsal soft rays (total): 4-5; Anal soft rays: 8-11; Vertebrae: 31-35. Can be differentiated from its congeners in the following characters: lacking distinct serrae on posterior edge of pectoral spine; adipose fin with moderately long base, its length 13.4-16.7 %SL; eye diameter 7-10 %HL; length of nasal barbel 38-57 %HL; tip of snout noticeably in front of apex of lower jaw; large anterior and posterior nostrils present, closely situated together and separated only by base of nasal barbel; caudal fin with 7+7-8 rays; branchiostegal rays 6-7; a light yellow snout with a sharp contrasted edge; color pattern consisting of dorsal and ventral light yellow patches on the body that sometimes coalesce at mid-height of the flank (Ref. 37037). | |||
| Biology: | Akysis inermis has been found in various habitats from swift creek to riffles in streams and rapids in large rivers. All habitats had in common a stony (gravel to boulder) substrate and relatively swift current. In most of them the water was clear in the dry season (Ref. 37037). | |||
| IUCN Red List Status: | Data deficient (DD); Date assessed: 10 February 2011 Ref. (130435) | |||
| Threat to humans: | harmless | |||