HomeCompare fishRed rainbowfish vs Clown loach Red rainbowfish vs Clown loach: can they live together? Verdict: Not recommendedAn adult Clown loach is about 4 times the length of a Red rainbowfish and may eat it.Both are comfortable at 24–25°C (75–77°F).A pH of 7.0–7.5 suits both.Side by sideRed rainbowfishClown loachAdult size12 cm (4.7 in)50 cm (20 in)Minimum tank150 L (40 US gal)210 L (55 US gal)Temperature22–25°C (72–77°F)24–30°C (75–86°F)pH7.0–8.05.0–7.5Hardness9–19 dGH (161–339 ppm)5–12 dGH (89–214 ppm)TemperamentPeacefulPeacefulCommunity tankGoodGoodCare levelEasyModerateDietOmnivoreOmnivoreSpecies profilesRed rainbowfishGlossolepis incisusClown loachChromobotia macracanthus