HomeCompare fishFreshwater butterflyfish vs Elephantnose fish Freshwater butterflyfish vs Elephantnose fish: can they live together? Verdict: Not recommendedThe Elephantnose fish is aggressive towards other fish.The Freshwater butterflyfish is aggressive towards other fish.The Elephantnose fish grows about twice as long as the Freshwater butterflyfish; watch for bullying or predation.Both are comfortable at 24–28°C (75–82°F).A pH of 6.7–7.0 suits both.Side by sideFreshwater butterflyfishElephantnose fishAdult size11 cm (4.3 in)23 cm (9.1 in)Minimum tank75 L (20 US gal)115 L (30 US gal)Temperature24–30°C (75–86°F)23–28°C (73–82°F)pH6.7–7.56.0–7.0Hardness2–10 dGH (36–178 ppm)5–19 dGH (89–339 ppm)TemperamentAggressiveAggressiveCommunity tank–With cautionCare level–DifficultDietCarnivoreOmnivoreSpecies profilesFreshwater butterflyfishPantodon buchholziElephantnose fishGnathonemus petersii