HomeCompare fishClown rasbora vs Arulius barb Clown rasbora vs Arulius barb: can they live together? Verdict: CompatibleBoth are comfortable at 24–25°C (75–77°F).A pH of 6.0–7.0 suits both.Minimum tank for the pair: 210 L (55 US gal)Side by sideClown rasboraArulius barbAdult size9 cm (3.5 in)12 cm (4.7 in)Minimum tank110 L (29 US gal)210 L (55 US gal)Temperature24–29°C (75–84°F)19–25°C (66–77°F)pH5.5–7.06.0–8.0Hardness2–10 dGH (36–178 ppm)2–10 dGH (36–178 ppm)TemperamentPeacefulPeacefulCommunity tankGoodGoodCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesClown rasboraRasbora kalochromaArulius barbPuntius arulius