HomeFreshwater aquarium fishGouramis & bettasBetta coccina Betta coccina Scientific name: Betta coccina Vierke, 1979 Betta coccina is a freshwater fish of the family Osphronemidae that grows to about 5.6 cm (2.2 in). It is difficult to keep and semi-aggressive, is best kept in a species tank and needs a tank of at least 20 L (5 US gal), water at 24–27°C (75–81°F) and a pH of 4.0–6.0. Native range: Asia, Sluggish waters in Malaysia and Indonesia. Betta coccina care at a glanceCare levelDifficultTemperamentSemi-aggressiveCommunity tankNot suitableAdult size5.6 cm (2.2 in)Minimum tank20 L (5 US gal)Temperature24–27°C (75–81°F)pH4.0–6.0Hardness0–4 dGH (0–71 ppm)DietCarnivore. Accepts flakes, frozen foods and live foods. BiologyDorsal soft rays (total): 9-12; Anal soft rays: 27 - 29. Distinguished from Betta burdigala in the following characters: presence of lateral iridescent blotch in males (vs. absence); black pelvic fin tip (vs. white); fewer dorsal fin rays (9-12 vs. 14-15); fewer subdorsal scales (7-8 vs. 11-11 1/2); more anal fin rays (27-29 vs. 24-26); more predorsal scales (18-21 vs. 15-16); greater total length (132.7-138.5% SL vs. 131.0-132.3% SL); smaller postorbital length (14.3-15.5% SL vs. 16.7-17.4); smaller dorsal fin base length (15.2-20.4% SL vs. 26.8-28.6). Can be differentiated from Betta miniopinna in the following characters: body red in color (vs. black); presence of lateral iridescent blotch in males (vs. absence); black pelvic fin tip (vs. white); presence of iridescent green spots on median fins (vs. absence); greater postorbital length (14.3-15.5% SL vs. 12.3-13.3); and smaller pelvic fin length (7.8-8.8% SL vs. 8.7-12.0).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBetta coccinaFamilyOsphronemidae (Gouramies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length5.6EnvironmentFreshwater;; pH range: 4.0 - 6.0; dH range: 0 - 4 benthopelagicClimateTropicalDistributionAsia: Malaysia and Indonesia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More gouramis & bettasBetta albimarginataCroaking gouramiTrichopsis vittataSiamese fighting fishBetta splendensRoundtail paradisefishMacropodus opercularisPygmy gouramiTrichopsis pumilaSpotted bettaBetta pictaSee all gouramis & bettas 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