HomeCompare fishClown rasbora vs Crescent betta Clown rasbora vs Crescent betta: can they live together? Verdict: CompatibleBoth are comfortable at 24–29°C (75–84°F).A pH of 6.0–7.0 suits both.Minimum tank for the pair: 110 L (29 US gal)Side by sideClown rasboraCrescent bettaAdult size9 cm (3.5 in)6 cm (2.4 in)Minimum tank110 L (29 US gal)40 L (11 US gal)Temperature24–29°C (75–84°F)24–30°C (75–86°F)pH5.5–7.06.0–7.0Hardness2–10 dGH (36–178 ppm)5–19 dGH (89–339 ppm)TemperamentPeacefulPeacefulCommunity tankGoodGoodCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesClown rasboraRasbora kalochromaCrescent bettaBetta imbellis