HomeCompare fishBluespotted corydoras vs Black ghost Bluespotted corydoras vs Black ghost: can they live together? Verdict: Not recommendedThe Black ghost is aggressive towards other fish.An adult Black ghost is about 9 times the length of a Bluespotted corydoras and may eat it.Both are comfortable at 23–26°C (73–79°F).A pH of 6.0–8.0 suits both.Side by sideBluespotted corydorasBlack ghostAdult size5.7 cm (2.2 in)50 cm (20 in)Minimum tank–210 L (55 US gal)Temperature22–26°C (72–79°F)23–28°C (73–82°F)pH6.0–8.06.0–8.0Hardness2–25 dGH (36–446 ppm)5–10 dGH (89–178 ppm)TemperamentPeacefulAggressiveCommunity tankGoodGoodCare levelEasyModerateDietOmnivoreOmnivoreSpecies profilesBluespotted corydorasCorydoras melanistiusBlack ghostApteronotus albifrons