Cat-eLog Right Arrow Bagridae Right Arrow Tachysurus

  • Tachysurus gracilis
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Scientific Name Tachysurus gracilis  (Li, J, X-L Chen & BPL Chan, 2005)
Common Name
Type Locality China: Guangxi Province,
Synonym(s) Pseudobagrus gracilis
Jump to next section Species Information
Size 173mm or 6.8" 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.

The genera Pelteobagrus and Pseudobagrus form a monophyletic group, but the monophyly of the two genera are uncertain. Traditionally, members of the genus Pelteobagrus have been distinguished by their forked caudal fins (vs. truncate/emarginate caudal fins in Pseudobagrus). This convention is still largely used in current literature and is adhered to here. There are some Chinese species assigned to the genus Leiocassis (longirostris, crassilabris, tenuifurcatus, virgatus and argentivittatus), but have been tentatively placed in Pseudobagrus by Mo (1991).
Sexing Males have an elongate genital papilla in front of the anal fin.
Jump to next section Habitat Information
Distribution China
China Waters (click on these areas to find other species found there)

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Breeding Unreported.
Breeding Reports There is no breeding report.
Jump to next section Further Information
References A new species of Pseudobagrus (Teleostei: Siluriformes: Bagridae) from southern China. Zootaxa No. 1067: 49-57.
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Last Update 2008 Mar 01 05:29 (species record created: 2005 Jan 29 00:00)