HomeCompare fishClown loach vs Black ghost Clown loach vs Black ghost: can they live together? Verdict: Not recommendedThe Black ghost is aggressive towards other fish.Both are comfortable at 24–28°C (75–82°F).A pH of 6.0–7.5 suits both.Side by sideClown loachBlack ghostAdult size50 cm (20 in)50 cm (20 in)Minimum tank210 L (55 US gal)210 L (55 US gal)Temperature24–30°C (75–86°F)23–28°C (73–82°F)pH5.0–7.56.0–8.0Hardness5–12 dGH (89–214 ppm)5–10 dGH (89–178 ppm)TemperamentPeacefulAggressiveCommunity tankGoodGoodCare levelModerateModerateDietOmnivoreOmnivoreSpecies profilesClown loachChromobotia macracanthusBlack ghostApteronotus albifrons