HomeCompare fishHead-and-taillight tetra vs Blackbarred limia Head-and-taillight tetra vs Blackbarred limia: can they live together? Verdict: CompatibleBoth are comfortable at 25–26°C (77–79°F).A pH of 7.0–8.0 suits both.Minimum tank for the pair: 75 L (20 US gal)Side by sideHead-and-taillight tetraBlackbarred limiaAdult size5 cm (2 in)6 cm (2.4 in)Minimum tank75 L (20 US gal)–Temperature22–26°C (72–79°F)25–28°C (77–82°F)pH6.0–8.07.0–8.0Hardness5–19 dGH (89–339 ppm)9–19 dGH (161–339 ppm)TemperamentPeacefulPeacefulCommunity tankExcellentGoodCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesHead-and-taillight tetraHemigrammus ocelliferBlackbarred limiaLimia nigrofasciata