HomeCompare fishAmazon leaffish vs Black ghost Amazon leaffish vs Black ghost: can they live together? Verdict: Not recommendedThe Black ghost is aggressive towards other fish.The Amazon leaffish is best kept in a species tank.The Amazon leaffish can be semi-aggressive or nip fins.An adult Black ghost is about 5 times the length of a Amazon leaffish and may eat it.Both are comfortable at 23–26°C (73–79°F).A pH of 6.0–6.5 suits both.Side by sideAmazon leaffishBlack ghostAdult size10 cm (3.9 in)50 cm (20 in)Minimum tank75 L (20 US gal)210 L (55 US gal)Temperature22–26°C (72–79°F)23–28°C (73–82°F)pH6.0–6.56.0–8.0Hardness5–8 dGH (89–143 ppm)5–10 dGH (89–178 ppm)TemperamentSemi-aggressiveAggressiveCommunity tankNot suitableGoodCare levelDifficultModerateDietCarnivoreOmnivoreSpecies profilesAmazon leaffishMonocirrhus polyacanthusBlack ghostApteronotus albifrons