HomeCompare fishDwarf rasbora vs Arulius barb Dwarf rasbora vs Arulius barb: can they live together? Verdict: Not recommendedAn adult Dwarf rasbora is about 4 times the length of a Arulius barb and may eat it.Both are comfortable at 23–25°C (73–77°F).A pH of 6.0 suits both.Side by sideDwarf rasboraArulius barbAdult size54 cm (21 in)12 cm (4.7 in)Minimum tank40 L (11 US gal)210 L (55 US gal)Temperature23–27°C (73–81°F)19–25°C (66–77°F)pH5.0–6.06.0–8.0Hardness5–12 dGH (89–214 ppm)2–10 dGH (36–178 ppm)TemperamentPeacefulPeacefulCommunity tankGoodGoodCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesDwarf rasboraBoraras maculatusArulius barbPuntius arulius