HomeCompare fishGreen terror vs Redhump eartheater Green terror vs Redhump eartheater: can they live together? Verdict: Not recommendedThe Green terror is aggressive towards other fish.Their temperature ranges only just meet, at 24°C (75°F).A pH of 6.5–7.0 suits both.Side by sideGreen terrorRedhump eartheaterAdult size23 cm (9.1 in)20 cm (7.9 in)Minimum tank210 L (55 US gal)285 L (75 US gal)Temperature20–24°C (68–75°F)24–26°C (75–79°F)pH6.5–7.56.5–7.0Hardness4–20 dGH (71–357 ppm)5–15 dGH (89–268 ppm)TemperamentAggressivePeacefulCommunity tank–ExcellentCare levelEasyModerateDietOmnivoreOmnivoreSpecies profilesGreen terrorAequidens rivulatusRedhump eartheaterGeophagus steindachneri