HomeCompare fishRedbreast acara vs Redhump eartheater Redbreast acara vs Redhump eartheater: can they live together? Verdict: Not recommendedThe Redbreast acara is aggressive towards other fish.The Redhump eartheater grows about twice as long as the Redbreast acara; watch for bullying or predation.Both are comfortable at 25–26°C (77–79°F).A pH of 6.5–7.0 suits both.Side by sideRedbreast acaraRedhump eartheaterAdult size7.5 cm (3 in)20 cm (7.9 in)Minimum tank115 L (30 US gal)285 L (75 US gal)Temperature25–29°C (77–84°F)24–26°C (75–79°F)pH6.0–7.56.5–7.0Hardness1–20 dGH (18–357 ppm)5–15 dGH (89–268 ppm)TemperamentAggressivePeacefulCommunity tank–ExcellentCare levelEasyModerateDietOmnivoreOmnivoreSpecies profilesRedbreast acaraLaetacara dorsigeraRedhump eartheaterGeophagus steindachneri