Dorsal spines (total): 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; Colouration:
A light yellow snout with a sharp contrasted edge;
colour pattern consisting of dorsal and ventral light
yellow patches on the body that sometimes coalesce
at mid-height of the flank. Habitat:
Pseudobagarius 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.
Xe Banghiang and Xe Kong drainages of the Mekong River
drainages in southern Laos. Type locality:
Laos: Attapeu province: unnamed creek entering Xe
Kaman from the north at proposed Xe Kaman dam site,
Froese, R. and D. Pauly.
Editors. 2008. FishBase. World Wide Web electronic
publication. www.fishbase.org, version (09/2008).
Ferraris, C.J. Jr. 2007 Checklist
of catfishes, recent and fossil (Osteichthyes: Siluriformes),
and catalogue of siluriform primary types. Zootaxa