HomeCompare fishGlowlight tetra vs Lemon tetra Glowlight tetra vs Lemon tetra: can they live together? Verdict: CompatibleBoth are comfortable at 24–28°C (75–82°F).A pH of 6.0–8.0 suits both.Minimum tank for the pair: 75 L (20 US gal)Side by sideGlowlight tetraLemon tetraAdult size5 cm (2 in)5 cm (2 in)Minimum tank40 L (11 US gal)75 L (20 US gal)Temperature24–28°C (75–82°F)22–28°C (72–82°F)pH6.0–8.05.5–8.0Hardness5–12 dGH (89–214 ppm)3–25 dGH (54–446 ppm)TemperamentPeacefulPeacefulCommunity tankExcellent–Care levelEasyEasyDietOmnivoreOmnivoreSpecies profilesGlowlight tetraHemigrammus erythrozonusLemon tetraHyphessobrycon pulchripinnis