Kuhli Loach 3 PackKuhli loaches (Pangio Kuhlii) are a popular freshwater fish ideal for beginners are easily recognizable due to their eel like bodies, dark eyes, and barbels on their mouths. Kuhli Loaches reach up to three to four inches in length. They also generate a relatively low bioload, meaning minimal waste production. Additionally, their peaceful nature makes them perfect for cohabitating with tetras, rasboras, and betta fish. Kuhli Loaches are nocturnal, so