HomeCompare fishZig-zag eel vs Black sharkminnow Zig-zag eel vs Black sharkminnow: can they live together? Verdict: Not recommendedThe Zig-zag eel is aggressive towards other fish.The Black sharkminnow grows about twice as long as the Zig-zag eel; watch for bullying or predation.Both are comfortable at 24–27°C (75–81°F).A pH of 6.5–7.5 suits both.Side by sideZig-zag eelBlack sharkminnowAdult size38 cm (15 in)90 cm (35 in)Minimum tank475 L (125 US gal)475 L (125 US gal)Temperature22–27°C (72–81°F)24–27°C (75–81°F)pH6.5–7.56.5–7.5Hardness–2–15 dGH (36–268 ppm)TemperamentAggressivePeacefulCommunity tankGoodGoodCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesZig-zag eelMastacembelus armatusBlack sharkminnowLabeo chrysophekadion