HomeCompare fishDwarf rainbowfish vs Clown loach Dwarf rainbowfish vs Clown loach: can they live together? Verdict: Not recommendedAn adult Clown loach is about 10 times the length of a Dwarf rainbowfish and may eat it.Both are comfortable at 24–28°C (75–82°F).A pH of 6.5–7.5 suits both.Side by sideDwarf rainbowfishClown loachAdult size5 cm (2 in)50 cm (20 in)Minimum tank150 L (40 US gal)210 L (55 US gal)Temperature22–28°C (72–82°F)24–30°C (75–86°F)pH6.5–7.55.0–7.5Hardness8–18 dGH (143–321 ppm)5–12 dGH (89–214 ppm)TemperamentPeacefulPeacefulCommunity tankGoodGoodCare levelEasyModerateDietOmnivoreOmnivoreSpecies profilesDwarf rainbowfishMelanotaenia praecoxClown loachChromobotia macracanthus