HomeCompare fishBlack ghost vs Eel Loach Black ghost vs Eel Loach: can they live together? Verdict: Not recommendedThe Black ghost is aggressive towards other fish.An adult Eel Loach is about 4 times the length of a Black ghost and may eat it.Both are comfortable at 24–26°C (75–79°F).A pH of 6.0 suits both.Side by sideBlack ghostEel LoachAdult size50 cm (20 in)190.5 cm (75 in)Minimum tank210 L (55 US gal)75 L (20 US gal)Temperature23–28°C (73–82°F)24–26°C (75–79°F)pH6.0–8.05.0–6.0Hardness5–10 dGH (89–178 ppm)5–12 dGH (89–214 ppm)TemperamentAggressivePeacefulCommunity tankGoodGoodCare levelModerateEasyDietOmnivoreCarnivoreSpecies profilesBlack ghostApteronotus albifronsEel LoachPangio anguillaris