Kuhli Loach

The true Kuhli loach (Pangio kuhlii), which can be used synonymously with "coolie" loach,^[3][4] occasionally referred to as eel loach, is a small eel-like freshwater fish belonging to the loach family (Cobitidae). They originate from the island of Java in Indonesia.^[5][6] This serpentine, worm-shaped^[7][8] creature is very slender and nocturnal. Its distinctive orange-pink coloration with triangular black stripes and long lifespan makes it a popular aquarium species.