HomeCompare fishRed rainbowfish vs Dwarf botia Red rainbowfish vs Dwarf botia: can they live together? Verdict: With cautionThe Red rainbowfish grows about twice as long as the Dwarf botia; watch for bullying or predation.Their preferred pH ranges don't overlap.Their temperature ranges only just meet, at 25°C (77°F).Minimum tank for the pair: 150 L (40 US gal)Side by sideRed rainbowfishDwarf botiaAdult size12 cm (4.7 in)5 cm (2 in)Minimum tank150 L (40 US gal)115 L (30 US gal)Temperature22–25°C (72–77°F)25–30°C (77–86°F)pH7.0–8.06.5–6.9Hardness9–19 dGH (161–339 ppm)1–15 dGH (18–268 ppm)TemperamentPeacefulPeacefulCommunity tankGoodGoodCare levelEasyModerateDietOmnivoreOmnivoreSpecies profilesRed rainbowfishGlossolepis incisusDwarf botiaYasuhikotakia sidthimunki