''Ilyophis nigeli'' is an

eel Eels are ray-finned fish belonging to the order Anguilliformes (), which consists of eight suborders, 19 families, 111 genera, and about 800 species. Eels undergo considerable development from the early larval stage to the eventual adult stage ...

in the family

Synaphobranchidae Cutthroat eels are a family, Synaphobranchidae, of eels, the only members of the suborder Synaphobranchoidei. They are found worldwide in temperate and tropical seas. Cutthroat eels range from in length. They are bottom-dwelling fish, found in ...

(cutthroat eels).''Ilyophis nigeli''
at www.fishbase.org. It was described by Yuri Nikolaevich Shcherbachev and Kenneth J. Sulak in 1997.Sulak, K. J. and Yu. N. Shcherbachev, 1997

ef. 22986 EF or ef may refer to: Arts and entertainment * Ef (band), a post-rock band from Sweden * '' Ef: A Fairy Tale of the Two.'', a Japanese adult visual novel series by Minori, or its anime adaptations Businesses and organizations * Eagle Forum, a ...

''Zoogeography and systematics of six deep-living genera of synaphobranchid eels, with a key to taxa and description of two new species of Ilyophis. Bulletin of Marine Science v. 60 (no. 3): 1158-1194. It is a

marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...

, deep water-dwelling eel which is known from

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

, in the northwestern

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...

. It is known to dwell at a depth range of . Males can reach a maximum

total length Fish measurement is the measuring of individual fish and various parts of their anatomies. These data are used in many areas of ichthyology, including taxonomy and fisheries biology. Overall length * Standard length (SL) is the length of a fish ...

of .

Etymology

The species epithet "''nigeli''" was given in honour of Nigel R. Merrett, credited with making "substantial contributions" to the knowledge of the synaphobranchid eels.

References

Synaphobranchidae Taxa named by Yuri Nikolaevich Shcherbachev Fish described in 1997 {{Anguilliformes-stub