The lesser siren (Siren intermedia), also known as the two-legged eel, dwarf siren, and mud eel, is an aquatic salamander species equipped with gills. This salamander species looks like an eel with two tiny limbs protruding from its head. It has no hind legs.
The lesser siren is indigenous to the eastern United States and northern Mexico. It can grow up to 27 inches.
