HomeFreshwater aquarium fishLoachesTiger loach Tiger loach (Syncrossus hymenophysa) Scientific name: Syncrossus hymenophysa Bleeker, 1852 Photo: https://en.wikipedia.org/wiki/Syncrossus_hymenophysa The Tiger loach (Syncrossus hymenophysa) is a freshwater fish of the family Cobitidae that grows to about 21 cm (8.3 in). It is aggressive, is best kept in a species tank and needs a tank of at least 210 L (55 US gal), water at 25–30°C (77–86°F) and a pH of 6.5–7.0. Native range: Asia, Indonesia (Sumatra and Borneo) and Malaya. Tiger loach care at a glanceTemperamentAggressiveCommunity tankNot suitableAdult size21 cm (8.3 in)Minimum tank210 L (55 US gal)Temperature25–30°C (77–86°F)pH6.5–7.0Hardness6–12 dGH (107–214 ppm)DietOmnivore. Accepts frozen foods and live foods. BiologyInhabits lakes, rivers and streams, usually close to submerged trees or logs or under floating logs and houses. Found as well in upland streams over stony substrate. Feeds on worms, crustaceans and insects. Breeds in small streams in swamp forest.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSyncrossus hymenophysaFamilyCobitidae (Loaches)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length21.0EnvironmentFreshwater; demersalClimateTropicalDistributionAsia: Indonesia and Malaya.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More loachesClown loachChromobotia macracanthusRedtail botia / Blue botiaYasuhikotakia modestaDwarf botiaYasuhikotakia sidthimunkiSkunk botiaYasuhikotakia morletiBanded mountain loachAcanthocobitis urophthalmusHorseface loachAcantopsis choirorhynchosSee all loaches Can it live with...?Tiger loach and Banded mountain loachTiger loach and Bengal loachTiger loach and Blyth's loachTiger loach and Clown loachTiger loach and Coolie loachTiger loach and Dwarf botiaTiger loach and Hillstream loachTiger loach and Horseface loachTiger loach and Pond loachTiger loach and Redtail botia / Blue botiaTiger loach and Reticulate loachTiger loach and Skunk botia 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