HomeCompare fishGlowlight tetra vs Crescent betta Glowlight tetra vs Crescent betta: can they live together? Verdict: CompatibleBoth are comfortable at 24–28°C (75–82°F).A pH of 6.0–7.0 suits both.Minimum tank for the pair: 40 L (11 US gal)Side by sideGlowlight tetraCrescent bettaAdult size5 cm (2 in)6 cm (2.4 in)Minimum tank40 L (11 US gal)40 L (11 US gal)Temperature24–28°C (75–82°F)24–30°C (75–86°F)pH6.0–8.06.0–7.0Hardness5–12 dGH (89–214 ppm)5–19 dGH (89–339 ppm)TemperamentPeacefulPeacefulCommunity tankExcellentGoodCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesGlowlight tetraHemigrammus erythrozonusCrescent bettaBetta imbellis