HomeCompare fishClown rasbora vs Dwarf rainbowfish Clown rasbora vs Dwarf rainbowfish: can they live together? Verdict: CompatibleBoth are comfortable at 24–28°C (75–82°F).A pH of 6.5–7.0 suits both.Minimum tank for the pair: 150 L (40 US gal)Side by sideClown rasboraDwarf rainbowfishAdult size9 cm (3.5 in)5 cm (2 in)Minimum tank110 L (29 US gal)150 L (40 US gal)Temperature24–29°C (75–84°F)22–28°C (72–82°F)pH5.5–7.06.5–7.5Hardness2–10 dGH (36–178 ppm)8–18 dGH (143–321 ppm)TemperamentPeacefulPeacefulCommunity tankGoodGoodCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesClown rasboraRasbora kalochromaDwarf rainbowfishMelanotaenia praecox