HomeFish encyclopediaRay-finned fishesCatfishSea catfishesBleeker's catfish Bleeker's catfish (Nemapteryx bleekeri) Scientific name: Nemapteryx bleekeri Popta, 1900 The Bleeker's catfish (Nemapteryx bleekeri) is a brackish-water fish of the family Ariidae. Native range: Western Pacific, possibly Indonesia, exact type locality unknown. BiologyDorsal spines (total): 1; Anal soft rays: 22 - 25. Teardrop-shaped dorsomedian head groove, tapering to a point at the base of the supraoccipital process; high keel. Mouth gape 45-49% of HL. Maxillary barbels 38 - 43% of SL. Gill rakers absent on hind aspect of first 2 gill arches. Dorsal fin spine equal to 4/5 of HL.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNemapteryx bleekeriFamilyAriidae (Sea catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length17.0EnvironmentMarine; brackish; demersalClimateTropicalDistributionWestern Pacific: possibly Indonesia, exact type locality unknown.Conservation status (IUCN)Not EvaluatedThreat to humansTraumatogenicResilienceHigh, 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