HomeCompare fishRed rainbowfish vs Horseface loach Red rainbowfish vs Horseface loach: can they live together? Verdict: With cautionTheir temperature ranges only just meet, at 25°C (77°F).A pH of 7.0 suits both.Minimum tank for the pair: 210 L (55 US gal)Side by sideRed rainbowfishHorseface loachAdult size12 cm (4.7 in)20 cm (7.9 in)Minimum tank150 L (40 US gal)210 L (55 US gal)Temperature22–25°C (72–77°F)25–29°C (77–84°F)pH7.0–8.06.0–7.0Hardness9–19 dGH (161–339 ppm)1–12 dGH (18–214 ppm)TemperamentPeacefulPeacefulCommunity tankGoodGoodCare levelEasy–DietOmnivoreOmnivoreSpecies profilesRed rainbowfishGlossolepis incisusHorseface loachAcantopsis choirorhynchos