HomeCompare fishForktail rainbowfish vs Bloodfin tetra Forktail rainbowfish vs Bloodfin tetra: can they live together? Verdict: CompatibleBoth are comfortable at 24–26°C (75–79°F).A pH of 6.0–8.0 suits both.Minimum tank for the pair: 75 L (20 US gal)Side by sideForktail rainbowfishBloodfin tetraAdult size5 cm (2 in)5.5 cm (2.2 in)Minimum tank75 L (20 US gal)75 L (20 US gal)Temperature24–26°C (75–79°F)18–28°C (64–82°F)pH6.0–8.06.0–8.0Hardness5–12 dGH (89–214 ppm)10–30 dGH (178–535 ppm)TemperamentPeacefulPeacefulCommunity tankGoodExcellentCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesForktail rainbowfishPseudomugil furcatusBloodfin tetraAphyocharax anisitsi