HomeCompare fishBleeding-heart tetra vs Pearl danio Bleeding-heart tetra vs Pearl danio: can they live together? Verdict: CompatibleBoth are comfortable at 23–25°C (73–77°F).A pH of 6.0–7.2 suits both.Minimum tank for the pair: 75 L (20 US gal)Side by sideBleeding-heart tetraPearl danioAdult size6 cm (2.4 in)5 cm (2 in)Minimum tank75 L (20 US gal)75 L (20 US gal)Temperature23–28°C (73–82°F)20–25°C (68–77°F)pH5.6–7.26.0–8.0Hardness3–12 dGH (54–214 ppm)5–19 dGH (89–339 ppm)TemperamentPeacefulPeacefulCommunity tankGoodExcellentCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesBleeding-heart tetraHyphessobrycon erythrostigmaPearl danioDanio albolineatus