Cat-eLog Right Arrow Bagridae Right Arrow Hemibagrus

Down arrow Cat-eLog Data Sheet
Scientific Name Hemibagrus wyckioides  (Fang & Chaux, 1949)
Common Names Asian Red Tailed Catfish
Artc (Abbreviation), Asian Redfin Catfish, Common Baung, Pla Kayeng Thong (Thailand), Rødhalet Pigmalle (Denmark), Trey Khya (Cambodia)
Type Locality Cambodia.
Synonym(s) Macrones wyckioides, Mystus wyckioides
Pronunciation HEM ee BAG russ - wik oi dees
Etymology From the Greek hemi- meaning half and bagrus, the catfish genus. 
Down arrow Species Information
Size 1300mm or 51.2" SL. Find near, nearer or same sized spp.
Identification Members of the genus Hemibagrus are bagrid catfishes that can attain standard lengths of up to 800 mm and are found in large rivers throughout the Indian subcontinent,Southeast and East Asia. Members of this genus have depressed heads,rugose head shields not covered by skin,a slender occipital process and moderately long adipose fins.

Caudal fin whole or partially red-coloured. Hemibagrus aubentoni (Desoutter, 1975) is a junior synonym according to Ng and Rainbooth, 1999. This is the largest bagrid catfish in central Indochina reaching 950mm and 70-80 kg.
Sexing Males possess a genital papilla just fore of the anal-fin.
Down arrow Habitat Information
Distribution Asia: Mekong basin. Reported from Chao Phraya, Maeklong and Peninsular Thailand river systems.
Mekong (click on these areas to find other species found there)
Thailand Waters, Chao Praya (click on these areas to find other species found there)

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IUCN Red List Category Least Concern, range map and more is available on the IUCN species page. Last assessed 2011.
pH 6.0 - 7.6
Temperature 19.0-29.0°C or 66.2-84.2°F (Show species within this range)
Other Parameters Water should be neutral and soft, although this fish is very adaptable. A good current is appreciated. Water changes should be large and frequent.
Down arrow Husbandry Information
Feeding Will eat anything and everything. In nature the diet consists of fish, shrimp, and crab. Like all large predatory catfishes, it should only be fed every two to four days once it reaches 12 inches in length.
Furniture Normally found over rocky substrates at irregular depths.
Large driftwood and rocks should be used to make a cave for the fish to hide in. All filters, heaters, etc should be behind a protective barrier as this fish can, and will, bite through a heater. This is a fish for someone with a very large tank that wants a true ''pet'' fish.
Compatibility Not compatible with other fishes due to its nasty disposition. Many claim that H. wyckioides is the most aggressive freshwater fish in the world. Given this fish's ability to bite, it is not even safe with tank mates too large to swallow since it will simply take bites out them.
Breeding Unknown. Roberts (1993) claims that H. wyckioides does not migrate to spawn, but reproduces locally. It enters the flooded forest in the wet season (July-October).
Breeding Reports There is no breeding report.
Down arrow Further Information
Reference Bulletin du Muséum National d'Histoire Naturelle (Série 2) v. 21 (no. 2), pp 199, Fig. 3
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There are 19 registered keepers, view all "my cats" data.
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There are 6 records of this fish being seen, view them all.
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Last Update 2020 Oct 25 01:04 (species record created: 2001 Apr 17 00:00)