HomeFreshwater aquarium fishGouramis & bettasThreestripe gourami Threestripe gourami (Trichopsis schalleri) Scientific name: Trichopsis schalleri Ladiges, 1962 The Threestripe gourami (Trichopsis schalleri) is a freshwater fish of the family Osphronemidae. In the aquarium it needs water at 22–28°C (72–82°F). Native range: Asia, Mekong basin. Threestripe gourami care at a glanceTemperature22–28°C (72–82°F) BiologyLanceolate caudal fin; elongated posterior anal-fin rays not reaching beyond the middle of the caudal fin; usually 1-2 dark longitudinal stripes distinct in preserved specimens; no stripe along the base of the anal fin. In life, dorsal, caudal and anal fin with red margin and numerous small blue spots.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTrichopsis schalleriFamilyOsphronemidae (Gouramies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length5.0EnvironmentFreshwater;; pH range: 6.0 - 7.0; dH range: ? - 12 benthopelagicClimateTropicalDistributionAsia: Mekong basin.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More gouramis & bettasPygmy gouramiTrichopsis pumilaSpotted bettaBetta pictaCrescent bettaBetta imbellisSlim bettaBetta bellicaChocolate gouramiSphaerichthys osphromenoidesBadisBadis badisSee all gouramis & bettas SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026