HomeCompare fishSpotted ctenopoma vs Red rainbowfish Spotted ctenopoma vs Red rainbowfish: can they live together? Verdict: Not recommendedThe Spotted ctenopoma is aggressive towards other fish.Both are comfortable at 22–25°C (72–77°F).A pH of 7.0–8.0 suits both.Side by sideSpotted ctenopomaRed rainbowfishAdult size15 cm (5.9 in)12 cm (4.7 in)Minimum tank210 L (55 US gal)150 L (40 US gal)Temperature5–25°C (41–77°F)22–25°C (72–77°F)pH6.0–8.07.0–8.0Hardness5–12 dGH (89–214 ppm)9–19 dGH (161–339 ppm)TemperamentAggressivePeacefulCommunity tankGoodGoodCare levelEasyEasyDietCarnivoreOmnivoreSpecies profilesSpotted ctenopomaCtenopoma acutirostreRed rainbowfishGlossolepis incisus