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Pseudexostoma yunnanense (Tchang, 1935)

Image contributors to this species:

Freshwater Fishes of China in Coloured Illustrations (2)  

ScotCat Sources:

Etymology = Genus

Other Sources:

Fishbase  Google Search  All Catfish Species Inventory  


Relevant Information:

Dorsal soft rays (total): 5; Anal soft rays: 3 - 4. This species is distinguished from Pseudexostoma brachysoma and P. longipterus by the following characters: posterior margin of lower lip with 3 notches, depth of middle one the same as lateral ones lateral ones (vs. shallower), length of 2 smaller median lobes of lower lip the same length as lateral lobes (vs. longer); pelvic fin I, 1-5 (vs. I, 3-4); base iof adipose fin shorter, 28.8-39.8% SL (vs. 36.1-46.0); caudal peduncle deeper, depth 6.4-8.3% SL, 32.6-42.7% in length of caudal peduncle (vs. 4.2-6.9 in depth and 20-33.7 in length); premaxillary tooth band with 18-22 teeth (vs. 16-18), it is divided into 2 and are connected partially.

Common Name:



Exostoma yunnanensis, Glyptosternum yunnanensis, Pseudexostoma yunnanensis, Pseudexostoma yunnanensis yunnanensis




Asia: Irrawaddy drainage, Yunnan, China. Type locality: Yunnan, China.


11cm. (4¼ins)


18-24°c (64-75°f.)




Freshwater Fishes of China in Coloured Illustrations vol2 p154
Alfred W. Thomson & Lawrence M. Page; 30 October 2006. Genera of the Asian Catfish Families Sisoridae and Erethistidae (Teleostei: Siluriformes) (Zootaxa 1345)
Froese, R. and D. Pauly. Editors. 2011. FishBase. World Wide Web electronic publication. www.fishbase.org, version



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