Pangasius elongatus Pouyaud, Gustiano & Teugels, 2002
Pa gnone hang hian,  Pa nyawn hang hian

Family:  Pangasiidae (Shark catfishes)
Max. size:  28.2 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater; brackish
Distribution:  Asia: lower reaches of the Chao Phraya, Bangpakong and Mekong basins of the Indochinese region.
Diagnosis:  Dorsal spines (total): 2-2; Dorsal soft rays (total): 6-8; Anal spines: 0-0; Anal soft rays: 30-33. Body elongated, intermediate predorsal length (30.1-33.9% SL). Short snout length (35.2-42.8% HL). Long caudal peduncle (17.6-21.4% SL). Short mandibular barbels (length 10.4-39.3% HL). Large eyes (19.2-25.5% HL) (Ref. 46915).
Biology:  An omnivorous fish, feeding mainly on benthic animals such as mollusks and crustaceans. During rainy seasons, Mekong specimens feed on fruits and various debris (Ref. 46915). A single 63 cm SL gravid female was observed at Ban Hang Khone in Laos (Ref. 9497). Marketed fresh (Ref. 12693).
IUCN Red List Status: Data deficient (DD); Date assessed: 19 January 2011 Ref. (130435)
Threat to humans:  harmless
Country info:  Known from the Mekong basin downriver of Khone Falls (Ref. 43281). Has not been found in the Mekong above the waterfalls (Ref. 9497). Occurs in Ban Hang Khone at Don Khone, 3 km below the fall line of the great waterfalls of the Mekong basin at Lee Pee (Ref. 9497). At Khanthaboury, Savannakhet, it migrates upstream in schools together with other species. However, the downstream movements are more sporadic and not done with other species (Ref. 37770). Also Ref. 30857, 37767.


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