Cat-eLog Right Arrow Pangasiidae Right Arrow Helicophagus

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Scientific Name Helicophagus waandersii  Bleeker, 1858
Common Name Patin Muncung (Indonesia)
Type Locality Palembang, southern Sumatra, Indonesia.
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Size 281mm or 11.1" SL. Find near, nearer or same sized spp.
Identification Helicophagus have a short and a large premaxillary toothplate; the vomerine toothplate without additional toothplate; the front border of the snout is pierced by anterior nostrils; the posterior nostrils are between and in line with the anterior nostrils and the middle of eye; a narrow mouth (<35% HL); a slender anterior part of snout length (<16.5% HL) (Gustiano & Pouyaud, 2008, Indonesian Aquaculture Journal, 3(1), 13-22.

Head small. Mouth subterminal; premaxillary and vomerine teeth conical; premaxillary teeth divided into two quadratic bands. Maxillary barbels reaching beyond the border of operculum; mandibular barbels reaching beyond the isthmus. Vomerine toothplate length 1.2-4.2% HL; vomerine toothplate length about one third of premaxillary toothplate length; separation vomerine toothplate found in all observed specimens 204 mm SL or larger. Gill rakers on the first branchial arch 7-12. Eye diameter 14.9-21.2% HL. Body narrow and elongated; predorsal distance long; prepectoral and prepelvic distance short; anal fin base high and long; anal rays, 36-39. Color in life: Body pale silvery grey on lateral side of head, dorsum, and upper part of flanks.
Jump to next section Habitat Information
Distribution Major river basins in Sumatra, especially Batang Hari River in Jambi Province. Also reported in Pahang River, Peninsula Malaysia.
Pacific, Greater Sunda Island Rivers, Sumatra Waters, Batang Hari (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)
Pacific, Malaysia Waters, Peninsular Malaysia Waters, Pahang (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 2018.
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Feeding This species is molluscivorous, feeds predominantly on bivalves.
Breeding Reports There is no breeding report.
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Reference Acta Societatis Regiae Scientiarum Indo-Neêrlandicae v. 4 (art. 2), pp 175.
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Last Update 2020 Jan 07 00:58 (species record created: 2020 Jan 06 14:00)