HomeCompare fishOrnate ctenopoma vs Slim betta Ornate ctenopoma vs Slim betta: can they live together? Verdict: Not recommendedThe Slim betta can be semi-aggressive or nip fins.The Ornate ctenopoma is best kept in a species tank.The Ornate ctenopoma is aggressive towards other fish.Both are comfortable at 25–28°C (77–82°F).A pH of 6.5–7.5 suits both.Side by sideOrnate ctenopomaSlim bettaAdult size8 cm (3.1 in)10 cm (3.9 in)Minimum tank115 L (30 US gal)75 L (20 US gal)Temperature25–28°C (77–82°F)24–30°C (75–86°F)pH6.0–8.06.5–7.5Hardness5–19 dGH (89–339 ppm)5–15 dGH (89–268 ppm)TemperamentAggressiveSemi-aggressiveCommunity tankNot suitableGoodCare levelEasyEasyDietCarnivoreOmnivoreSpecies profilesOrnate ctenopomaMicroctenopoma ansorgiiSlim bettaBetta bellica