(Dysommina rugosa)
Dysommina rugosa is an eel in the family Synaphobranchidae (cutthroat eels). It was described by Isaac Ginsburg in 1951. It is a marine, deep water-dwelling eel which is known from the western Atlantic and eastern central Pacific Ocean. It dwells at a depth range of 260–775 metres, and is found off the continental slope. Males can reach a maximum total length of 37 centimetres.