HomeCompare fishStriped barb vs Pearl danio Striped barb vs Pearl danio: can they live together? Verdict: With cautionThe Striped barb grows about twice as long as the Pearl danio; watch for bullying or predation.Both are comfortable at 23–25°C (73–77°F).A pH of 6.0–6.5 suits both.Minimum tank for the pair: 210 L (55 US gal)Side by sideStriped barbPearl danioAdult size12 cm (4.7 in)5 cm (2 in)Minimum tank210 L (55 US gal)75 L (20 US gal)Temperature23–26°C (73–79°F)20–25°C (68–77°F)pH6.0–6.56.0–8.0Hardness2–12 dGH (36–214 ppm)5–19 dGH (89–339 ppm)TemperamentPeacefulPeacefulCommunity tankExcellentExcellentCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesStriped barbPuntius johorensisPearl danioDanio albolineatus