HomeCompare fishGlowlight tetra vs Striped barb Glowlight tetra vs Striped barb: can they live together? Verdict: With cautionThe Striped barb grows about twice as long as the Glowlight tetra; watch for bullying or predation.Both are comfortable at 24–26°C (75–79°F).A pH of 6.0–6.5 suits both.Minimum tank for the pair: 210 L (55 US gal)Side by sideGlowlight tetraStriped barbAdult size5 cm (2 in)12 cm (4.7 in)Minimum tank40 L (11 US gal)210 L (55 US gal)Temperature24–28°C (75–82°F)23–26°C (73–79°F)pH6.0–8.06.0–6.5Hardness5–12 dGH (89–214 ppm)2–12 dGH (36–214 ppm)TemperamentPeacefulPeacefulCommunity tankExcellentExcellentCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesGlowlight tetraHemigrammus erythrozonusStriped barbPuntius johorensis