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Tachysurus gracilis (Li, Chen & Chan, 2005)

Image contributors to this species:

Zhou Hang (2)

ScotCat Sources:

 

Other Sources:

Fishbase  Google Search  All Catfish Species Inventory  Catalog of Fishes

 

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). Inhabits medium to large rivers in lowland areas with rocky substrate and moderate or fast current. Valid in some literature as Pseudobagrus gracilis. 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).

Common Name:

None

Synonyms:

Pseudobagrus gracilis

Family:

Bagridaemblycipitidae

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:

17cm ( 6¾ ½ins)

Temp:

21-24°C (69-75°F)

p.H.

6.0-7.0.

Reference:

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

 

 

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                                                                                            updated = September 3, 2017 © ScotCat 1997-2017