HomeCompare fishIndian glassy fish vs Dwarf rainbowfish Indian glassy fish vs Dwarf rainbowfish: can they live together? Verdict: CompatibleBoth are comfortable at 22–28°C (72–82°F).A pH of 7.0–7.5 suits both.Minimum tank for the pair: 150 L (40 US gal)Side by sideIndian glassy fishDwarf rainbowfishAdult size8 cm (3.1 in)5 cm (2 in)Minimum tank75 L (20 US gal)150 L (40 US gal)Temperature20–30°C (68–86°F)22–28°C (72–82°F)pH7.0–8.26.5–7.5Hardness9–19 dGH (161–339 ppm)8–18 dGH (143–321 ppm)TemperamentPeacefulPeacefulCommunity tankGoodGoodCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesIndian glassy fishParambassis rangaDwarf rainbowfishMelanotaenia praecox