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Pseudobagarius leucorhynchus (Fowler, 1934)

Image contributors to this species:

Nonn Panitvong (1)

ScotCat Sources:


Other Sources:

Fishbase  Google Search  All Catfish Species Inventory  Blog Page

Relevant Information:

Akysidae with the following combination of characters: snout extending well anterior of margin of lower jaw, rendering mouth subterminal; narial openings relatively large and closely set; and caudal fin deeply forked. Remarks: This genus corresponds to the “pseudobagarius group” of species of the genus Akysis that was first recognized by Ng & Kottelat (1998). Dorsal soft rays (total): 6 - 6; Anal soft rays: 6 – 8; Vertebrae: 31 – 34. Distinguished from all its congeners by the following combination of characters: light-yellow snout with a sharp, contrasted edge discrete line demarcation; presence of 4-6 small serrae on the posterior edge of pectoral spine; head width 20.3-25.5% SL; depth of caudal peduncle 5.5-7.1% SL;  length of anal-fin base 9.7-16.6% SL;  length of nasal barbel 16-38% HL; 5 branchiostegal rays; and caudal fin deeply emarginate. A look-a-Like, Akysis pulvinatus, is thought to mimic this catfish in the same habitat, so called a Müllerian mimic.

Common Name:



Akysis leucorhynchus




Asia: Thailand; Choa Phraya basin and southern Peninsular. Phitsanulork Province. Type locality: Chieng Mai, North Siam.


3cm (1¼ins) sl.


18-24°C (63-75°F)




Froese, R. and D. Pauly. Editors. 2008.FishBase. World Wide Web electronic publication. www.fishbase.org, version (09/2008).
Ng, H.H. (2007) Akysis pulvinatus, a new species of catfish (Siluriformes: Akysidae) from southern Thailand. Zootaxa 1608, pp. 51–58.
Ferraris, C.J. Jr. 2007 Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628.



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