HomeFreshwater aquarium fishLoachesBlind cave loach Blind cave loach (Nemacheilus troglocataractus) Scientific name: Nemacheilus troglocataractus Kottelat & G?ry, 1989 The Blind cave loach (Nemacheilus troglocataractus) is a freshwater fish of the family Balitoridae. Native range: Asia, Tham Sai Yok Noi, Thailand. BiologyDorsal soft rays (total): 11-12; Anal soft rays: 8. Absence of eyes and pigmentation; presence of a nuchal cavity; slightly compressed body, tapering posteriorly; head depressed, conical when seen from above.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNemacheilus troglocataractusFamilyBalitoridae (River loaches)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length6.8EnvironmentFreshwater; benthopelagicClimateTropicalDistributionAsia: Tham Sai Yok Noi, Thailand.Conservation status (IUCN)Vulnerable (VU) (D2)Threat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More loachesBotia kubotaiStone loachBarbatula barbatulaSchistura mahnertiPseudogastromyzon cheniBeaufortia kweichowensisLiniparhomaloptera disparis disparisSee all loaches SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026