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Pseudolais pleurotaenia (Sauvage, 1878)

Image contributors to this species:

Johnny Jensen's Photographic Library (1) Karl-Heinz Dau (1 Stamp) Jean-Francois Helias (1) Fishes of Mainland Southeast Asia (1)

ScotCat Sources:

Other Sources:

Relevant Information:

Description: Dorsal spines (total): 1; Dorsal soft rays (total): 7; Anal soft rays: 39 - 46. Abdomen with a well-developed median keel extending from throat to origin of anal fin. Dorsal fin advanced in position, with a strongly serrated spine; pectoral spines as long as or slightly longer than dorsal spine, strong, denticulated along their inner edge; pelvic fins small; anal fin low, long; adipose fin very small. Single, oval-shaped patch of teeth on each side of palate; eye large. Habitat: Occur in large and medium-sized rivers. Found in rapids and in deeper slower reaches. Common in the middle Mekong before the flood season where it is found in the lower reaches of tributary streams along with most of the cyprinids that would be found in the main stream of the Mekong when the water is clear. Diet: Feeds on terrestrial and aquatic insects along with small amounts of plant matter. Etymology: The genus name Pseudolais: pseudo-, from pseúdes, false, i.e., although similar to the schilbeid genus Lais (=Laides), such an appearance is false. The specific name pleurotaenia: pleuro-, from pleurá, side; taenia, from tainía, band or ribbon, referring to narrow black band on flanks.

Common Name:

None

Synonyms:

Pangasius cultratus, Pangasius fowleri, Pteropangasius cultratus, Pangasius pleurotaenia

Family:

Pangasiidae

Distribution:

Asia: Mekong, Meklong, Tapi and Chao Phraya River basins. Type locality: Laos.

Size:

35.0cm. (14ins)

Temp:

22-26°C (71-79°F)

p.H.

6.5-7.5.

IUCN Red List

This fish is widely distributed throughout its range. The impact of the two key threats identified (over-fishing and the development of large dams on the Mekong mainstream and major tributaries). Research on harvest and population trends is needed, as well as into the impact of dams on the migratory movement of species. The species is assessed as Least Concern at present, however it should be reassessed when further data become available and if major dams are confirmed on the mainstream of the Mekong. Needs updating (IUCN 2012).

Reference:

Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628.
Froese, R. and D. Pauly. Editors. 2009. FishBase. World Wide Web electronic publication. www.fishbase.org, version (02/2010).
plateen. pers.comm.
The ETYFish Project Fish Name Etymology Database © Christopher Scharpf.
Vidthayanon, C. 2012. Pseudolais pleurotaenia. The IUCN Red List of Threatened Species 2012.

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

Pseudolais pleurotaenia

Pseudolais pleurotaenia
Stamp

Pseudolais pleurotaenia
Nung River near Vientiane, Laos.

Pseudolais pleurotaenia

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