HomeCompare fishBlack sharkminnow vs Eel Loach Black sharkminnow vs Eel Loach: can they live together? Verdict: With cautionThe Eel Loach grows about twice as long as the Black sharkminnow; watch for bullying or predation.Their preferred pH ranges don't overlap.Both are comfortable at 24–26°C (75–79°F).Minimum tank for the pair: 475 L (125 US gal)Side by sideBlack sharkminnowEel LoachAdult size90 cm (35 in)190.5 cm (75 in)Minimum tank475 L (125 US gal)75 L (20 US gal)Temperature24–27°C (75–81°F)24–26°C (75–79°F)pH6.5–7.55.0–6.0Hardness2–15 dGH (36–268 ppm)5–12 dGH (89–214 ppm)TemperamentPeacefulPeacefulCommunity tankGoodGoodCare levelEasyEasyDietOmnivoreCarnivoreSpecies profilesBlack sharkminnowLabeo chrysophekadionEel LoachPangio anguillaris