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Scientific Name Tachysurus dumerili  (Bleeker, 1864)
Common Name
Type Locality China.
Synonym(s) Leiocassis longirostris, Liocassis longirostris, Pelteobagrus longirostris, Pseudobagrus longirostris, Tachysurus longirostris
Pronunciation lawn ji ross triss
Etymology The specific epithet comes from the Latin longus, meaning long, and rostrum, meaning nose, in reference to the elongate snout.
Hop to next section Species Information
Size 900mm or 35.4" SL. Find near, nearer or same sized spp.
Identification Tachysurus can be identified by an extrascapular without a laterosensory canal, and a pterotic with a broad lateral laminar expansion. It is among the most speciose catfish groups in East Asia and its members inhabit habitats ranging from fast-flowing hillstreams to large rivers.

Easily distinguished by its grey body and long snout. Often mislabelled Leiocassis longirostris in many references.
Sexing Males have an elongate genital papilla in front of the anal fin.
General Remarks Historically important in Korea, the last known capture of the fish was in 1982. The species was declared extinct in Korea in 1985. However, in 2007, an intensive breeding program was begun using specimens imported from China. The fish was re-introduced into the wild in 2008.
Hop to next section Habitat Information
Distribution Asia: North China.
China Waters, Northern China Waters (click on these areas to find other species found there)
Korea Waters (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
Hop to next section Husbandry Information
Feeding Feeds on crustaceans, aquatic invertebrates and small fish in the wild. User data.
Breeding Not reported in aquaria. Sexually mature after three years. Breeds in April-June in swift-flowing, rocky rivers, producing about 80000-100000 pale yellow, sticky eggs.
Breeding Reports There is no breeding report.
Hop to next section Further Information
Reference Nederlandsch Tijdschrift voor de Dierkunde v. 2, pp 7.
Registered Keepers There is no registered keeper.
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There are 4 records of this fish being seen, view them all.
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Last Update 2024 Jul 08 10:50 (species record created: 2001 May 03 00:00)