HomeFish encyclopediaRay-finned fishesCatfishSheatfishesIndochinese sheatfish Indochinese sheatfish (Kryptopterus dissitus) Scientific name: Kryptopterus dissitus Ng, 2001 The Indochinese sheatfish (Kryptopterus dissitus) is a freshwater fish of the family Siluridae. Native range: Asia, Chao Phraya to Lower Mekong basins. BiologyDorsal spines (total): 1; Dorsal soft rays (total): 3; Anal soft rays: 75 - 79; Vertebrae: 58. Snout length 33.1-34.8% SL; vomerine teeth in 2 distinct elliptical patches; a distinct nuchal concavity; and mandibular barbels reaching beyond anterior base of anal fin. Males with pectoral spine enlarged and broad, somewhat flattened dorsoventrally with 7-9 posterior dentations, increasing in size distally; proximal articulated segments with 6-9 well-developed posterior dentations. Female or juvenile with spine slender and with no dentations; 6 articulated segments present. Mandibular barbels one pair, located slightly anterolateral to gular fold. Branchiostegal rays 9-10.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameKryptopterus dissitusFamilySiluridae (Sheatfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length17.6EnvironmentFreshwater; benthopelagicClimateTropicalDistributionAsia: Chao Phraya to Lower Mekong basins.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026