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Pangasius larnaudii Bocourt, 1866

Image contributors to this species:

Allan James (3) Jean-Francois Helias (7) Cheilinus Aquarium Photography (1)

ScotCat Sources:

Other Sources:

Relevant Information:

Description: Anal soft rays: 28 - 32. A large black spot above the base of the pectoral fin and a black longitudinal stripe along each caudal lobe. Dorsal and pectoral fins with a strong spine and a long, filamentous rays. With 13-17 gill rakers in first arch. Habitat: Occurs in medium to large-sized rivers and inhabits deep pools in the river. Found in rapids and riffle. Enters flooded forest. Reproduction: Migrates into floodplains and spawns at the beginning of the flood season. Artificially reared fry of 3.5 mm at 12 hrs., 8.4 mm at 4 days, 8.8 mm at 8 days and 23 mm at 18 days. Larval teeth present in 12 hr and 4 day larvae. Diet: Feeds on shrimps, small fishes, gastropods and plants. Etymology: The specific name larnaudii: In honour of R. P. Larnaudie (d. 1899), Jesuit missionary priest, for his care and hospitality during Bocourt’s seven months in Thailand. Remarks: This catfish is not really recommended for the home aquarium as they grow too big and have special requirements that we as aquarists can never attain. Do not buy from Fish stores if they are labeled as such, or as Pangasius species.

Common Name:

Black Eared Pangasius, Black Ear Catfish

Synonyms:

Pangasius taeniura, Pangasius taeniurus, Pangasius burgini, Pangasius larnaudi

Family:

Pangasiidae

Distribution:

Asia: Mekong and Chao Phraya basins.

Size:

130.0cm. (52ins)

Temp:

22-26°C (71-79°F)

p.H.

7.0-8.5.

IUCN Red List

A common species is recorded from the Chao Phraya River and the Mekong basin. A large species, it is highly utilised and impacted by habitat loss, but is assessed as Least Concern at present as there is no evidence at present of significant population declines across its range, although slightly more vulnerable than some similar species. Impacts from potential future mainstream dams should be monitored, but needs updating (IUCN 2012).

Reference:

Baird, I. 2012. Pangasius larnaudii. The IUCN Red List of Threatened Species 2012.
Froese, R. and D. Pauly. Editors. 2009. FishBase.World Wide Web electronic publication.www.fishbase.org, version (04/2009).
Roberts, T.R. and C. Vidthayanon 1991 Systematic revision of the Asian catfish family Pangasiidae, with biological observations and descriptions of three new species. Proc. Acad. Nat. Sci. Philad. 143:97-144.

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

Pangasius larnaudii
Juveniles

Pangasius larnaudii
Sub-Adult: Caught, Ratchaburi, Thailand.

Pangasius larnaudii
Head view

Pangasius larnaudii

Pangasius larnaudii

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