HomeCompare fishIndian glassy fish vs Lake Kutubu rainbowfish Indian glassy fish vs Lake Kutubu rainbowfish: can they live together? Verdict: CompatibleBoth are comfortable at 20–24°C (68–75°F).A pH of 7.0–8.0 suits both.Minimum tank for the pair: 210 L (55 US gal)Side by sideIndian glassy fishLake Kutubu rainbowfishAdult size8 cm (3.1 in)10 cm (3.9 in)Minimum tank75 L (20 US gal)210 L (55 US gal)Temperature20–30°C (68–86°F)20–24°C (68–75°F)pH7.0–8.27.0–8.0Hardness9–19 dGH (161–339 ppm)9–12 dGH (161–214 ppm)TemperamentPeacefulPeacefulCommunity tankGoodGoodCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesIndian glassy fishParambassis rangaLake Kutubu rainbowfishMelanotaenia lacustris