HomeCompare fishBrilliant rasbora vs Arulius barb Brilliant rasbora vs Arulius barb: can they live together? Verdict: CompatibleBoth are comfortable at 22–25°C (72–77°F).A pH of 6.0–6.5 suits both.Minimum tank for the pair: 210 L (55 US gal)Side by sideBrilliant rasboraArulius barbAdult size9 cm (3.5 in)12 cm (4.7 in)Minimum tank110 L (29 US gal)210 L (55 US gal)Temperature22–26°C (72–79°F)19–25°C (66–77°F)pH6.0–6.56.0–8.0Hardness–2–10 dGH (36–178 ppm)TemperamentPeacefulPeacefulCommunity tankGoodGoodCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesBrilliant rasboraRasbora einthoveniiArulius barbPuntius arulius