HomeCompare fishHorseface loach vs Butterfly splitfin Horseface loach vs Butterfly splitfin: can they live together? Verdict: With cautionThe Horseface loach grows about twice as long as the Butterfly splitfin; watch for bullying or predation.Both are comfortable at 26–29°C (79–84°F).A pH of 6.0–7.0 suits both.Minimum tank for the pair: 210 L (55 US gal)Side by sideHorseface loachButterfly splitfinAdult size20 cm (7.9 in)8 cm (3.1 in)Minimum tank210 L (55 US gal)75 L (20 US gal)Temperature25–29°C (77–84°F)26–32°C (79–90°F)pH6.0–7.06.0–8.0Hardness1–12 dGH (18–214 ppm)9–19 dGH (161–339 ppm)TemperamentPeacefulPeacefulCommunity tankGoodGoodCare level–EasyDietOmnivoreOmnivoreSpecies profilesHorseface loachAcantopsis choirorhynchosButterfly splitfinAmeca splendens