HomeCompare fishLake Kutubu rainbowfish vs Eel Loach Lake Kutubu rainbowfish vs Eel Loach: can they live together? Verdict: Not recommendedAn adult Eel Loach is about 19 times the length of a Lake Kutubu rainbowfish and may eat it.Their preferred pH ranges don't overlap.Their temperature ranges only just meet, at 24°C (75°F).Side by sideLake Kutubu rainbowfishEel LoachAdult size10 cm (3.9 in)190.5 cm (75 in)Minimum tank210 L (55 US gal)75 L (20 US gal)Temperature20–24°C (68–75°F)24–26°C (75–79°F)pH7.0–8.05.0–6.0Hardness9–12 dGH (161–214 ppm)5–12 dGH (89–214 ppm)TemperamentPeacefulPeacefulCommunity tankGoodGoodCare levelEasyEasyDietOmnivoreCarnivoreSpecies profilesLake Kutubu rainbowfishMelanotaenia lacustrisEel LoachPangio anguillaris