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Down arrow Cat-eLog Data Sheet
Scientific Name Tachysurus ussuriensis  (Dybowski, 1872)
Common Name
Type Locality Ussuri and Sungari rivers, Amur River basin, and Khanka Lake, Russia.
Synonym(s) Bagrus ussuriensis, Leiocassis ussuriensis, Macrones ussuriensis, Pseudobagrus ussuriensis
Down arrow Species Information
Size 1000mm or 39.4" 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.
Sexing Males have an elongate genital papilla in front of the anal fin.
General Remarks A popular food fish, raised in outdoor ponds. Korean field guides list the maximum size of this fish as 500mm. This could be an indication of a subspecies but is more likely due to heavy fishing.
Down arrow Habitat Information
Distribution Asia: Ussuri and Sungari rivers, Amur River basin, and Khanka Lake, Russia. Northern China, North Korea. Rivers flowing into the China Sea on the west coast of South Korea. Especially common in the Han and Geum Rivers.
Russian Waters, Amur (click on these areas to find other species found there)
Russian Waters, Amur, Ussuri (click on these areas to find other species found there)
Russian Waters, Amur, Ussuri, Khanka (click on these areas to find other species found there)
Russian Waters, Amur, Sungari (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
pH 6.5 - 7.5
Temperature 15.0-25.0°C or 59-77°F (Show species within this range)
Other Parameters A very hardy species that can be overwintered outdoors in ponds in temperate zones. It is also tolerant of slightly brackish waters.
Down arrow Husbandry Information
Feeding Feeds on aquactic invertebrates, molluscs and fish. Will also eat frozen and prepared foods in the aquarium.
Furniture Found in slow moving rivers with sand or mud bottoms. In the aquarium provide plant, log and/or leaf litter for cover.
Compatibility Peaceful when kept in groups.
Suggested Tankmates Young specimens can be kept with any fish that is too large to swallow. Larger specimens should be kept with large, slow-moving tankmates such as goldfish or koi.
Breeding Spawning occurs in May and June. Eggs and young are guarded by the male. The fry stay with the male until they reach about 3cm in length. After one year, the fry are already 8-10cm and 14-16cm after two years. The fish are sexually mature at 3 years/20cm.
Breeding Reports There is no breeding report.
Down arrow Further Information
Reference Verhandlungen der K.-K. zoologisch-botanischen Gesellschaft in Wien v. 22, pp 210.
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Last Update 2019 Sep 24 12:49 (species record created: 2007 Feb 19 20:40)