Muddy arrowtooth eel

The muddy arrowtooth eel, Ilyophis brunneus, is a cutthroat eel in the family Synaphobranchidae. It is found around the world at depths below 1,000 m. Its length is up to 160 cm.

Muddy arrowtooth eel
From plate 43 of Oceanic Ichthyology by G. Brown Goode and Tarleton H. Bean, published 1896.
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Anguilliformes
Family:	Synaphobranchidae
Genus:	Ilyophis
Species:	I. brunneus
Binomial name
Ilyophis brunneus C. H. Gilbert, 1891