HomeCompare fishSpotted ctenopoma vs Lake Kutubu rainbowfish Spotted ctenopoma vs Lake Kutubu rainbowfish: can they live together? Verdict: Not recommendedThe Spotted ctenopoma is aggressive towards other fish.Both are comfortable at 20–24°C (68–75°F).A pH of 7.0–8.0 suits both.Side by sideSpotted ctenopomaLake Kutubu rainbowfishAdult size15 cm (5.9 in)10 cm (3.9 in)Minimum tank210 L (55 US gal)210 L (55 US gal)Temperature5–25°C (41–77°F)20–24°C (68–75°F)pH6.0–8.07.0–8.0Hardness5–12 dGH (89–214 ppm)9–12 dGH (161–214 ppm)TemperamentAggressivePeacefulCommunity tankGoodGoodCare levelEasyEasyDietCarnivoreOmnivoreSpecies profilesSpotted ctenopomaCtenopoma acutirostreLake Kutubu rainbowfishMelanotaenia lacustris