Nickname: Butterfly Loach Maximum Length: About 2.5–3 inches (6–7.5 cm) Favorite Things: Strong water flow, cool well-oxygenated water, smooth stones for grazing algae, and a diet of biofilm, algae wafers, and blanched veggies Best Buddies: Other peaceful river fish like danios, white clouds, small rasboras, and other hillstream species; best kept in groups of 3+
