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Down arrow Cat-eLog Data Sheet
Scientific Name Tachysurus tokiensis  (Döderlein, 1887)
Common Name
Type Locality River near Tokyo, Japan.
Synonym(s) Pseudobagrus aurantiacus tokiensis, Pseudobagrus tokiensis
Down arrow Species Information
Size 113mm or 4.4" 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.
Down arrow Habitat Information
Distribution Japan
Japan Waters (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
Down arrow Husbandry Information
Breeding Reports There is no breeding report.
Down arrow Further Information
Reference Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Classe. v. 53 (1. abth.), pp 288 [32].
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Last Update 2021 Feb 13 09:09 (species record created: 2011 Feb 05 18:57)