HomeFreshwater aquarium fishLoachesSchistura similis Schistura similis Scientific name: Schistura similis Kottelat, 1990 Schistura similis is a freshwater fish of the family Balitoridae that grows to about 7 cm (2.8 in). It is easy to keep and peaceful and needs a tank of at least 115 L (30 US gal), water at 18–25°C (64–77°F) and a pH of 7.0–7.5. Native range: Asia, Salween basin. Schistura similis care at a glanceCare levelEasyTemperamentPeacefulAdult size7 cm (2.8 in)Minimum tank115 L (30 US gal)Temperature18–25°C (64–77°F)pH7.0–7.5DietOmnivore. Accepts flakes, sinking pellets, frozen foods and brine shrimp. BiologyDorsal soft rays (total): 12; Anal soft rays: 8. A member of the group of species with complete or nearly complete lateral line, 8 1/2 branched dorsal rays, 9+8 branched caudal rays and no sexual dimorphism. Distinguished from all other Schistura species by the presence of a large free posterior chamber of gas bladder; 7-8 very regular bars, wider than interspaces; length of caudal peduncle 11.5-15.4% SL, 53-74% HL;; depth of caudal peduncle 11.5-15.4% SL, 55-73% HL.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSchistura similisFamilyBalitoridae (River loaches)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length6.8EnvironmentFreshwater; benthopelagicClimateTropicalDistributionAsia: Salween basin.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More loachesSchistura mahnertiPseudogastromyzon cheniBeaufortia kweichowensisLiniparhomaloptera disparis disparisHillstream loachGastromyzon punctulatusBotia kubotaiSee 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