HomeCompare fishZig-zag eel vs Pearl danio Zig-zag eel vs Pearl danio: can they live together? Verdict: Not recommendedThe Zig-zag eel is aggressive towards other fish.An adult Zig-zag eel is about 8 times the length of a Pearl danio and may eat it.Both are comfortable at 22–25°C (72–77°F).A pH of 6.5–7.5 suits both.Side by sideZig-zag eelPearl danioAdult size38 cm (15 in)5 cm (2 in)Minimum tank475 L (125 US gal)75 L (20 US gal)Temperature22–27°C (72–81°F)20–25°C (68–77°F)pH6.5–7.56.0–8.0Hardness–5–19 dGH (89–339 ppm)TemperamentAggressivePeacefulCommunity tankGoodExcellentCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesZig-zag eelMastacembelus armatusPearl danioDanio albolineatus