HomeCompare fishSpotted ctenopoma vs Redtail splitfin Spotted ctenopoma vs Redtail splitfin: can they live together? Verdict: Not recommendedThe Redtail splitfin can be semi-aggressive or nip fins.The Spotted ctenopoma is aggressive towards other fish.The Spotted ctenopoma grows about twice as long as the Redtail splitfin; watch for bullying or predation.Both are comfortable at 15–25°C (59–77°F).A pH of 6.0–8.0 suits both.Side by sideSpotted ctenopomaRedtail splitfinAdult size15 cm (5.9 in)6 cm (2.4 in)Minimum tank210 L (55 US gal)75 L (20 US gal)Temperature5–25°C (41–77°F)15–32°C (59–90°F)pH6.0–8.06.0–8.0Hardness5–12 dGH (89–214 ppm)9–19 dGH (161–339 ppm)TemperamentAggressiveSemi-aggressiveCommunity tankGoodGoodCare levelEasyEasyDietCarnivoreOmnivoreSpecies profilesSpotted ctenopomaCtenopoma acutirostreRedtail splitfinXenotoca eiseni