HomeCompare fishSpotted ctenopoma vs Bloodfin tetra Spotted ctenopoma vs Bloodfin tetra: can they live together? Verdict: Not recommendedThe Spotted ctenopoma is aggressive towards other fish.The Spotted ctenopoma grows about twice as long as the Bloodfin tetra; watch for bullying or predation.Both are comfortable at 18–25°C (64–77°F).A pH of 6.0–8.0 suits both.Side by sideSpotted ctenopomaBloodfin tetraAdult size15 cm (5.9 in)5.5 cm (2.2 in)Minimum tank210 L (55 US gal)75 L (20 US gal)Temperature5–25°C (41–77°F)18–28°C (64–82°F)pH6.0–8.06.0–8.0Hardness5–12 dGH (89–214 ppm)10–30 dGH (178–535 ppm)TemperamentAggressivePeacefulCommunity tankGoodExcellentCare levelEasyEasyDietCarnivoreOmnivoreSpecies profilesSpotted ctenopomaCtenopoma acutirostreBloodfin tetraAphyocharax anisitsi