HomeCompare fishBlyth's loach vs Hillstream loach Blyth's loach vs Hillstream loach: can they live together? Verdict: Not recommendedThe Blyth's loach is aggressive towards other fish.Both are comfortable at 23–25°C (73–77°F).A pH of 7.0 suits both.Side by sideBlyth's loachHillstream loachAdult size11 cm (4.3 in)6.5 cm (2.6 in)Minimum tank210 L (55 US gal)75 L (20 US gal)Temperature22–26°C (72–79°F)23–25°C (73–77°F)pH6.5–7.57.0TemperamentAggressivePeacefulCare levelModerateDifficultDietOmnivoreOmnivoreSpecies profilesBlyth's loachSyncrossus berdmoreiHillstream loachGastromyzon punctulatus