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  • Tachysurus koreanus
  • Tachysurus koreanus
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Scientific NameTachysurus koreanus    (Uchida, 1990)
Common NameKorean Bullhead
Type LocalityNamwôn-shi, Sômjin River, Korea.
Synonym(s)Pseudobagrus koreanus
Pronunciationtrah key sue russ
EtymologyNamed after the genus, Bagrus, which refers to the Arabic name of a fish.
Hop to next section Species Information
Size200mm or 7.9" SL. Find near, nearer or same sized spp.
IdentificationTachysurus 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.

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.
SexingMales have an elongate genital papilla in front of the anal fin.

Males have an elongate genital papilla in front of the anal fin.
Hop to next section Habitat Information
DistributionPrimarily Asia but a handful of species in Africa.
IUCN Red List Category
Not Evaluated
pH6.5 - 7.5
Temperature15.0-23.0°C or 59-73.4°F (Show species within this range)
Other ParametersRequires a strong current to be happy. It can be kept at lower temperatures than listed for a short period of time
Hop to next section Husbandry Information
BreedingUnreported in captivity.
Breeding ReportsThere is no breeding report.
Hop to next section Further Information
ReferenceKorean Journal of Ichthyology v. 2 (no. 2), pp 124, Figs. 3B, 6
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Last UpdateThu Nov 03, 2022 9:26 pm (Species record created: Thu Jan 01, 1970 1:00 am)