Barbed brotula
The barbed brotula is a species of cusk-eel found in the Indian and Atlantic Oceans off of the southern coast of Africa where it is found at depths of from. This species grows to a length of TL. This species is one of two member of its genus, the other being Selachophidium americanum. The barbed brotula has been found to have an ossified swelling of bone in the back of the skull that is connected to the pectoral girdle, vertebral column, and gas bladder via soft tissue.