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Tachysurus gracilis (Li, Chen & Chan, 2005)

 

Image contributors to this species:

Zhou Hang (2) Cheilinus Aquarium Photography (1) Zhou J-J et al 2024 (1)

ScotCat Sources:

Factsheet  Etymology = Genus  Etymology = Species

Other Sources:

Search  FishBase   Catalog of Fishes  Global Biodiversity Information Facility  FishNet2  iNaturalist

Relevant Information:

Described from specimens collected from the Zhujiang (Pearl River) basin, southern China. It closely resembles Tachysurus adiposalis and Tachysurus ussuriensis, but differs in having a large elliptical eye (19.8–24.4% HL), a short maxillary barbel not reaching the posterior margin of the eye, a lightly serrated posterior edge on the second dorsal spine, a caudal fin slightly emarginated with upper lobe slighter longer than lower lobe, frontal concave with a smooth surface, and supraoccipital process short (far from the first basal bone of the dorsal spine). The Pelteobagrus genera have in the past been distinguished by their forked caudal fins (vs. truncate/emarginate caudal fins in Pseudobagrus but most of these genera have now been moved to a new family, Tachysurus (Bogutskaya et al. 2008). Habitat: Inhabits medium to large rivers in lowland areas with rocky substrate and moderate or fast current. Etymology: The genus name of Tachysurus: tachys, swift; oura, tail, referring to the presumed agility of T. sinensis based on its “long and nimble” tail (translation). The specific name of gracilis: graceful; slender. Remarks: Still found in some online sources as Pseudobagrus gracilis.

Common Name:

None

Synonyms:

Pseudobagrus gracilis

Family:

Bagridae

Distribution:

Asia: Beijiang and Xijiang (West River) River basins, southern China. Type locality: China: Guangxi Province, Guilin City, Zhujiang basin, Lijiang drainage, 29º55'23 N, 118º28'12 E.

Size:

17.0cm (6¾ins)

Temp:

21-24°C (69-75°F)

p.H.

6.0-7.0.

Reference:

Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628.
Fish in the News 2024.
Jie Li, Xianglin Chen & Bosco P.L. Chan; (2005) A new species of Pseudobagrus (Teleostei: Siluriformes: Bagridae) from southern China. Zootaxa 1067: 49–57.



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Family: Bagridae  Back to Ident-A-Cat  Click on Thumbnails

Click for full image Tachysurus gracilis
Click for full imageTachysurus gracilis
Click for full imageTachysurus gracilis
Click for full imageTachysurus gracilis
Holotype-Guanyang County, Guangxi Zhuang Autonomous Region

 

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