HomeCompare fishGarnet tetra vs Flame tetra Garnet tetra vs Flame tetra: can they live together? Verdict: CompatibleBoth are comfortable at 23–27°C (73–81°F).A pH of 5.8–6.0 suits both.Minimum tank for the pair: 55 L (15 US gal)Side by sideGarnet tetraFlame tetraAdult size5 cm (2 in)4.5 cm (1.8 in)Minimum tank55 L (15 US gal)55 L (15 US gal)Temperature23–27°C (73–81°F)22–28°C (72–82°F)pH5.0–6.05.8–7.8Hardness5–12 dGH (89–214 ppm)5–25 dGH (89–446 ppm)TemperamentPeacefulPeacefulCommunity tankExcellentGoodCare level–DifficultDietOmnivoreOmnivoreSpecies profilesGarnet tetraHemigrammus pulcherFlame tetraHyphessobrycon flammeus