HomeFish encyclopediaRay-finned fishesCarpsRiver loachesGray's stone loach Gray's stone loach (Balitora brucei) Scientific name: Balitora brucei Gray, 1830 The Gray's stone loach (Balitora brucei) is a freshwater fish of the family Balitoridae. Native range: Asia, India, Bhutan and Bangladesh, Nepal and Myanmar. BiologyDorsal soft rays (total): 11; Anal soft rays: 8. Distinguished from other species by the combination of the following characters: head length 19-22% SL; caudal peduncle 3.0-4.2 times longer than deep; head width at nares 14.9-17.1% SL, 77-87% HL, maximum head width 86-105% HL; interorbital width 41-49% HL; length of caudal peduncle 16.7-21.4% SL; preanal length 72.0-78.6% SL.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBalitora bruceiFamilyBalitoridae (River loaches)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length10.5EnvironmentFreshwater; demersalClimateTropicalDistributionAsia: India, Bhutan and Bangladesh, Nepal and Myanmar.Conservation status (IUCN)Near Threatened (NT)Threat to humansHarmlessUsesFisheries: of no interestResilienceHigh, 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