HomeCompare fishSlim betta vs Horseface loach Slim betta vs Horseface loach: can they live together? Verdict: With cautionThe Slim betta can be semi-aggressive or nip fins.The Horseface loach grows about twice as long as the Slim betta; watch for bullying or predation.Both are comfortable at 25–29°C (77–84°F).A pH of 6.5–7.0 suits both.Minimum tank for the pair: 210 L (55 US gal)Side by sideSlim bettaHorseface loachAdult size10 cm (3.9 in)20 cm (7.9 in)Minimum tank75 L (20 US gal)210 L (55 US gal)Temperature24–30°C (75–86°F)25–29°C (77–84°F)pH6.5–7.56.0–7.0Hardness5–15 dGH (89–268 ppm)1–12 dGH (18–214 ppm)TemperamentSemi-aggressivePeacefulCommunity tankGoodGoodCare levelEasy–DietOmnivoreOmnivoreSpecies profilesSlim bettaBetta bellicaHorseface loachAcantopsis choirorhynchos