HomeCompare fishBlack ghost vs Pirapatinga Black ghost vs Pirapatinga: can they live together? Verdict: Not recommendedThe Pirapatinga is best kept in a species tank.The Black ghost is aggressive towards other fish.Both are comfortable at 23–28°C (73–82°F).A pH of 6.0–6.8 suits both.Side by sideBlack ghostPirapatingaAdult size50 cm (20 in)88 cm (35 in)Minimum tank210 L (55 US gal)–Temperature23–28°C (73–82°F)22–28°C (72–82°F)pH6.0–8.04.8–6.8Hardness5–10 dGH (89–178 ppm)4–15 dGH (71–268 ppm)TemperamentAggressivePeacefulCommunity tankGoodNot suitableCare levelModerateEasyDietOmnivoreHerbivoreSpecies profilesBlack ghostApteronotus albifronsPirapatingaPiaractus brachypomus