HomeCompare fishUaru vs Redhump eartheater Uaru vs Redhump eartheater: can they live together? Verdict: Not recommendedThe Uaru is aggressive towards other fish.Their temperature ranges only just meet, at 26°C (79°F).A pH of 6.5–7.0 suits both.Side by sideUaruRedhump eartheaterAdult size30 cm (12 in)20 cm (7.9 in)Minimum tank285 L (75 US gal)285 L (75 US gal)Temperature26–30°C (79–86°F)24–26°C (75–79°F)pH5.0–7.06.5–7.0Hardness5–12 dGH (89–214 ppm)5–15 dGH (89–268 ppm)TemperamentAggressivePeacefulCommunity tank–ExcellentCare levelEasyModerateDietHerbivoreOmnivoreSpecies profilesUaruUaru amphiacanthoidesRedhump eartheaterGeophagus steindachneri