HomeCompare fishLemon tetra vs Red phantom tetra Lemon tetra vs Red phantom tetra: can they live together? Verdict: CompatibleBoth are comfortable at 22–25°C (72–77°F).A pH of 5.5–7.5 suits both.Minimum tank for the pair: 75 L (20 US gal)Side by sideLemon tetraRed phantom tetraAdult size5 cm (2 in)4 cm (1.6 in)Minimum tank75 L (20 US gal)55 L (15 US gal)Temperature22–28°C (72–82°F)22–25°C (72–77°F)pH5.5–8.05.5–7.5Hardness3–25 dGH (54–446 ppm)4–20 dGH (71–357 ppm)TemperamentPeacefulPeacefulCommunity tank–ExcellentCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesLemon tetraHyphessobrycon pulchripinnisRed phantom tetraHyphessobrycon sweglesi