HomeFish encyclopediaRay-finned fishesCatfishSheatfishesCave sheatfish Cave sheatfish (Pterocryptis buccata) Scientific name: Pterocryptis buccata Ng & Kottelat, 1998 The Cave sheatfish (Pterocryptis buccata) is a freshwater fish of the family Siluridae. Native range: Asia, presently known only from Amphoe Sai Yok in the Meklong basin in Kanchanaburi Province, western Thailand. BiologyDorsal soft rays (total): 4; Anal soft rays: 54 - 61; Vertebrae: 50 - 52. Prominent mandibular muscles causing the cheeks to appear inflated; 4 mandibular barbels and vomerine teeth present in 2 separate patches.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePterocryptis buccataFamilySiluridae (Sheatfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length14.7EnvironmentFreshwater; demersalClimateTropicalDistributionAsia: presently known only from Amphoe Sai Yok in the Meklong basin in Kanchanaburi Province, western Thailand.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