Hillstream Loach

Hillstream loaches (Sewellia lineolata) are one of the coolest-looking algae eaters.
hillstream loach is one of the most common varieties available in the aquarium hobby. This 6.4 cm oddball fish looks like a miniature stingray because of its streamlined shape, flat underside, and horizontal fins that can tightly grip onto any smooth surface.
During the daytime, you can often find them climbing on the glass in a side-to-side crawl or fluttering their fins on the ground while searching for food.