Narrownecked oceanic eel

The narrownecked oceanic eel, Derichthys serpentinus, is a longneck eel, the only species in the genus Derichthys, found in all oceans in depths between 500 and 2,000 m. Their length is up to 40 centimetres (1 ft 4 in).

Narrownecked oceanic eel
From plate 49 of Oceanic Ichthyology by G. Brown Goode and Tarleton H. Bean, published 1896.
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Anguilliformes
Family:	Derichthyidae
Genus:	Derichthys T. N. Gill, 1884
Species:	D. serpentinus
Binomial name
Derichthys serpentinus T. N. Gill, 1884
Synonyms
Leptocephalus anguilloides

The skin is scaleless and red-brown. It lives on the bottom at great depths.

Freshly caught specimen of D. serpentinus before and after a large decapod prey item was removed from the stomach.