HomeFish encyclopediaRay-finned fishesCarpsRiver loachesMottled loach Mottled loach (Acanthocobitis botia) Scientific name: Acanthocobitis botia Hamilton, 1822 The Mottled loach (Acanthocobitis botia) is a freshwater fish of the family Balitoridae. In the aquarium it needs water at 24–26°C (75–79°F). Mottled loach care at a glanceTemperature24–26°C (75–79°F) BiologyDorsal soft rays (total): 14-17; Anal soft rays: 8. Distinguished from its congeners by the absence of a suborbital flap in male, the flap being replaced by a suborbital groove; lateral line reaches at least to anus.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAcanthocobitis botiaFamilyBalitoridae (River loaches)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length11.0EnvironmentFreshwater;; pH range: ? - 7.2; dH range: ? - 25 demersalClimateTropicalDistributionAsia: Indus basin in Pakistan to the Mae Khlong basin in Thailand through Ganges, Chindwin, Irrawaddy, Sitang and Salween basins. Recorded also from Yunnan, China.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: of no interestResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Fec = 100) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026