HomeCompare fishSpotted ctenopoma vs Zig-zag eel Spotted ctenopoma vs Zig-zag eel: can they live together? Verdict: Not recommendedThe Zig-zag eel is aggressive towards other fish.The Spotted ctenopoma is aggressive towards other fish.The Zig-zag eel grows about twice as long as the Spotted ctenopoma; watch for bullying or predation.Both are comfortable at 22–25°C (72–77°F).A pH of 6.5–7.5 suits both.Side by sideSpotted ctenopomaZig-zag eelAdult size15 cm (5.9 in)38 cm (15 in)Minimum tank210 L (55 US gal)475 L (125 US gal)Temperature5–25°C (41–77°F)22–27°C (72–81°F)pH6.0–8.06.5–7.5Hardness5–12 dGH (89–214 ppm)–TemperamentAggressiveAggressiveCommunity tankGoodGoodCare levelEasyEasyDietCarnivoreOmnivoreSpecies profilesSpotted ctenopomaCtenopoma acutirostreZig-zag eelMastacembelus armatus