HomeCompare fishZig-zag eel vs Black ghost Zig-zag eel vs Black ghost: can they live together? Verdict: Not recommendedThe Black ghost is aggressive towards other fish.The Zig-zag eel is aggressive towards other fish.Both are comfortable at 23–27°C (73–81°F).A pH of 6.5–7.5 suits both.Side by sideZig-zag eelBlack ghostAdult size38 cm (15 in)50 cm (20 in)Minimum tank475 L (125 US gal)210 L (55 US gal)Temperature22–27°C (72–81°F)23–28°C (73–82°F)pH6.5–7.56.0–8.0Hardness–5–10 dGH (89–178 ppm)TemperamentAggressiveAggressiveCommunity tankGoodGoodCare levelEasyModerateDietOmnivoreOmnivoreSpecies profilesZig-zag eelMastacembelus armatusBlack ghostApteronotus albifrons