HomeCompare fishZig-zag eel vs Eel Loach Zig-zag eel vs Eel Loach: can they live together? Verdict: Not recommendedThe Zig-zag eel is aggressive towards other fish.An adult Eel Loach is about 5 times the length of a Zig-zag eel and may eat it.Their preferred pH ranges don't overlap.Both are comfortable at 24–26°C (75–79°F).Side by sideZig-zag eelEel LoachAdult size38 cm (15 in)190.5 cm (75 in)Minimum tank475 L (125 US gal)75 L (20 US gal)Temperature22–27°C (72–81°F)24–26°C (75–79°F)pH6.5–7.55.0–6.0Hardness–5–12 dGH (89–214 ppm)TemperamentAggressivePeacefulCommunity tankGoodGoodCare levelEasyEasyDietOmnivoreCarnivoreSpecies profilesZig-zag eelMastacembelus armatusEel LoachPangio anguillaris