Monognathus ahlstromi

Monognathus ahlstromi, the paddletail onejaw, is an ocean-dwelling eel found in the North Pacific Ocean off of the coast of the United States. It is found up to a depth of 2,000 m. It does not provide parental care. Little information is currently known about its habits or full distribution.

Description
The dorsal and anal fins of Monognathus ahlstromi lack bony supports.