HomeCompare fishUmbrella cichlid vs Red discus Umbrella cichlid vs Red discus: can they live together? Verdict: With cautionThe Umbrella cichlid can be semi-aggressive or nip fins.The Red discus grows about twice as long as the Umbrella cichlid; watch for bullying or predation.Their temperature ranges only just meet, at 27°C (81°F).A pH of 5.0–6.5 suits both.Minimum tank for the pair: 210 L (55 US gal)Side by sideUmbrella cichlidRed discusAdult size7 cm (2.8 in)18 cm (7.1 in)Minimum tank75 L (20 US gal)210 L (55 US gal)Temperature25–27°C (77–81°F)27–33°C (81–91°F)pH5.0–7.04.2–6.5Hardness5–19 dGH (89–339 ppm)–TemperamentSemi-aggressivePeacefulCommunity tankGood–Care levelModerateModerateDietCarnivoreCarnivoreSpecies profilesUmbrella cichlidApistogramma borelliiRed discusSymphysodon discus