HomeCompare fishZig-zag eel vs Gulf gambusia Zig-zag eel vs Gulf gambusia: 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 Gulf gambusia 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 eelGulf gambusiaAdult size38 cm (15 in)5 cm (2 in)Minimum tank475 L (125 US gal)20 L (5 US gal)Temperature22–27°C (72–81°F)22–25°C (72–77°F)pH6.5–7.56.5–7.8TemperamentAggressive–Community tankGoodGoodCare levelEasy–DietOmnivoreOmnivoreSpecies profilesZig-zag eelMastacembelus armatusGulf gambusiaGambusia vittata