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Silurus asotus Linnaeus, 1758

Image contributors to this species:

The Fishes of Taiwan (1) Frants Lehmann (1 Stamp) Zhou Hang (1) Karl-Heinz Dau (1 Stamp) Jean-Francois Helias (1) Nakamura, M; Keys to the Freshwater Fishes of Japan Fully Illustrated in Colors (1) Drake Shaw (3)

ScotCat Sources:

Etymology = Genus

Other Sources:

Fishbase  Google Search  All Catfish Species Inventory

Relevant Information:

Dorsal soft rays (total): 4 - 4; Anal soft rays: 67 - 84. The side of the dorsal is dark grey; white stomach; with irregular white dots on the side. One pair of maxillary barbel, longer than the head; one pair of mandibular barbels, about 1/5-1/3 the length of the maxillary barbel. Distinguished from the other species of the genus in Indochina by dark grey dorsal, white stomach and irregular white spots on the sides. Found in medium sized rivers and streams, usually in slowly running water over the muddy bottom.

Common Name:

Amur catfish


Parasilurus asotus asotus, P.asotus, P.japonicus, Silurus dahuricus, S.punctatus, S.japonicus,S.cinereus, S.bedfordi  




Asia: Honshu, Shikoku and Kyushu in Japan, the Korean Peninsula, Taiwan, China, and  Russia


90cm. (36ins)


05-25°C (37-77F)




Froese, R. and D. Pauly. Editors. 2009.FishBase. World Wide Web electronic publication. www.fishbase.org, version (10/2010).
Serov, D.V.; Nezdoliy, V.K.; Pavlov, D.S. The Freshwater Fishes of Central Vietnam. Moscow, Nha Trang 2006. 362p



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