HomeCompare fishPond loach vs Hillstream loach Pond loach vs Hillstream loach: can they live together? Verdict: Not recommendedAn adult Pond loach is about 5 times the length of a Hillstream loach and may eat it.Both are comfortable at 23–25°C (73–77°F).A pH of 7.0 suits both.Side by sidePond loachHillstream loachAdult size30.5 cm (12 in)6.5 cm (2.6 in)Minimum tank115 L (30 US gal)75 L (20 US gal)Temperature10–25°C (50–77°F)23–25°C (73–77°F)pH6.0–8.07.0Hardness2–12 dGH (36–214 ppm)–TemperamentPeacefulPeacefulCommunity tankGood–Care levelModerateDifficultDietOmnivoreOmnivoreSpecies profilesPond loachMisgurnus anguillicaudatusHillstream loachGastromyzon punctulatus