HomeCompare fishCrescent betta vs Pygmy gourami Crescent betta vs Pygmy gourami: can they live together? Verdict: With cautionThe Pygmy gourami is best kept in a species tank.Both are comfortable at 25–28°C (77–82°F).A pH of 6.0–7.0 suits both.Minimum tank for the pair: 40 L (11 US gal)Side by sideCrescent bettaPygmy gouramiAdult size6 cm (2.4 in)4 cm (1.6 in)Minimum tank40 L (11 US gal)40 L (11 US gal)Temperature24–30°C (75–86°F)25–28°C (77–82°F)pH6.0–7.06.0–7.0Hardness5–19 dGH (89–339 ppm)5–19 dGH (89–339 ppm)TemperamentPeacefulPeacefulCommunity tankGoodNot suitableCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesCrescent bettaBetta imbellisPygmy gouramiTrichopsis pumila