HomeFreshwater aquarium fishLoachesAcanthocobitis rubidipinnis Acanthocobitis rubidipinnis Scientific name: Acanthocobitis rubidipinnis Blyth, 1860 Acanthocobitis rubidipinnis is a freshwater fish of the family Balitoridae that grows to about 8 cm (3.1 in). It is moderate to keep and peaceful and needs a tank of at least 190 L (50 US gal), water at 20–25.5°C (68–78°F) and a pH of 6.5–7.5. Native range: Asia, India and Myanmar. Acanthocobitis rubidipinnis care at a glanceCare levelModerateTemperamentPeacefulAdult size8 cm (3.1 in)Minimum tank190 L (50 US gal)Temperature20–25.5°C (68–78°F)pH6.5–7.5DietOmnivore. Accepts flakes, sinking pellets, frozen foods, bloodworms and brine shrimp. BiologyDorsal soft rays (total): 18-19; Anal soft rays: 8. Distinguished from its congener occurring in Indochinese area by 14-15 1/2 branched dorsal rays and a complete lateral line; suborbital flap present in males. Distinguished from A. zonalternans by a greater standard length (up to 8 cm, versus 4.5), a shorter predorsal length (43.2-46.0% SL, versus 43.5-53.4) and a smaller eye (4.1-5.7% SL, versus 5.9-8.7; 19-26% HL, versus 26-35).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAcanthocobitis rubidipinnisFamilyBalitoridae (River loaches)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length8.0EnvironmentFreshwater; demersalClimateTropicalDistributionAsia: Myanmar, India.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: of no interestResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming Fec More loachesBlyth's loachSyncrossus berdmoreiAborichthys kempiAborichthys elongatusVaillantella maassiSchistura balteataHomaloptera orthogoniataSee all loaches SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0. Aquarium care parameters compiled, checked and converted to metric and imperial units by Guppies.za.net.Last updated 28 September 2026