Asian River Catfish – Freshwater Fish in Thailand
Common name: River Catfish, Asian River Catfish, Green Catfish. Species: Hemibagrus nemurus. Thai Name: Pla Kot Luang.
The Asian River catfish (Hemibagrus nemerus) is a freshwater fish species in the bagrid catfish family (family Bagridae) of order Siluriformes (catfish), native found in the Mekong, Chao Phraya, Maeklong, Peninsular and Southeast Thailand river systems. Recorded from Chienmai (Chiang Mai), Pitsanulok, Nontaburi , Bangkok, Tachin (Samut Sakhon), MepPoon and Tale Sap; also from Phrae, Uthai Thani, Songkhla, Khon Kaen, Kanchanaburi, Ubon Ratchathani, Chai Nat, Surat Thani, Nakhon Sawan, Phra Nakhon Si Ayutthaya, Chanthaburi, Prachin Buri and Narathiwat: Mekong mainstream, between Pak Ing and Jom Paeng, about 4-5 km downstream, also from Sumatra, Java, Borneo.
Members of this genus have depressed heads, rugose head shields
not covered by skin. A slender occipital process and moderately long adipose fins, easily distinguished from other bagrids that have a flat head, relatively short adipose fin, and filamentous extensions to the dorsal- and caudal-fin rays. The body color is brown often with greenish sheen back with dark brown spots, white sides and a silvery belly, a deeply forked tail with a red tint, flat wide head with long whiskers. Sexing: Males have an elongated genital papilla in front of the anal fin.
Asian River Catfish max. weight is 2.00 kg and 65 cm. long. Occurs in most habitat types, but most frequent in large muddy rivers, with a slow current and soft bottom, feeds on exogenous insects, aquatic insect larvae, shrimps, other crustaceans and fish. Moves into flooded forests to spawn and the young are usually first seen in August. The Asian river catfish can be caught using bottom fishing techniques with live bait or lure fishing with diving lures.
Source: Wikipedia – Fishbase
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