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  • Hemisilurus heterorhynchus
  • Hemisilurus heterorhynchus
Hop to next section All Fishes Data Sheet
Scientific Name Hemisilurus heterorhynchus  (Bleeker, 1854)
Common Name
Type Locality Moara [Muara] Kompeh, eastern Sumatra, Indonesia.
Synonym(s) Diastatomycter chaperi, Hemisilurus chaperi, Wallago heterorhynchus
Pronunciation Ham mee see loo russ - heter oh rine kuss
Etymology From the Greek hemi- meaning half and Silurus, the word for catfish. From the Greek hemi- meaning half and Silurus, the word for catfish. The specific name comes form the Greek heteros- meaning different and rhynchos, meaning snout, in reference to the distinctive snout shape.
Hop to next section Species Information
Size 800mm or 31.5" SL. Find near, nearer or same sized spp.
Identification Easily distinguished by its distinctive protruding snout and simple barbel morphology.
Sexing Females are more deeper bodied. Males are more slender, and have prominent serrations on the posterior edge ofthe pectoral spine.
Hop to next section Habitat Information
Distribution Asia: Sumatra and Borneo. Reported from the middle Mekong drainage.
Pacific, Greater Sunda Island Rivers, Borneo Waters (click on these areas to find other species found there)
Pacific, Greater Sunda Island Rivers, Sumatra Waters (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 2019.
pH 6.0 - 7.0
Temperature 22.0-27.0°C or 71.6-80.6°F (Show species within this range)
Hop to next section Husbandry Information
Breeding Unreported.
Breeding Reports There is no breeding report.
Hop to next section Further Information
Reference Natuurkundig Tijdschrift voor Nederlandsch Indië v. 5 (no. 3), pp 514.
Registered Keepers There is no registered keeper.
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Last Update 2020 Sep 25 00:56 (species record created: 2004 Apr 04 00:00)