HomeCompare fishForktail rainbowfish vs Bleeding-heart tetra Forktail rainbowfish vs Bleeding-heart tetra: can they live together? Verdict: CompatibleBoth are comfortable at 24–26°C (75–79°F).A pH of 6.0–7.2 suits both.Minimum tank for the pair: 75 L (20 US gal)Side by sideForktail rainbowfishBleeding-heart tetraAdult size5 cm (2 in)6 cm (2.4 in)Minimum tank75 L (20 US gal)75 L (20 US gal)Temperature24–26°C (75–79°F)23–28°C (73–82°F)pH6.0–8.05.6–7.2Hardness5–12 dGH (89–214 ppm)3–12 dGH (54–214 ppm)TemperamentPeacefulPeacefulCommunity tankGoodGoodCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesForktail rainbowfishPseudomugil furcatusBleeding-heart tetraHyphessobrycon erythrostigma