HomeCompare fishDwarf rainbowfish vs Blackbarred limia Dwarf rainbowfish vs Blackbarred limia: can they live together? Verdict: CompatibleBoth are comfortable at 25–28°C (77–82°F).A pH of 7.0–7.5 suits both.Minimum tank for the pair: 150 L (40 US gal)Side by sideDwarf rainbowfishBlackbarred limiaAdult size5 cm (2 in)6 cm (2.4 in)Minimum tank150 L (40 US gal)–Temperature22–28°C (72–82°F)25–28°C (77–82°F)pH6.5–7.57.0–8.0Hardness8–18 dGH (143–321 ppm)9–19 dGH (161–339 ppm)TemperamentPeacefulPeacefulCommunity tankGoodGoodCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesDwarf rainbowfishMelanotaenia praecoxBlackbarred limiaLimia nigrofasciata