''Phaenomonas longissima'', also known as the short-maned sand eel in

St. Helena Saint Helena () is a British overseas territory located in the South Atlantic Ocean. It is a remote volcanic tropical island west of the coast of south-western Africa, and east of Rio de Janeiro in South America. It is one of three constitu ...

,Common names of ''Phaenomonas longissima''
at www.fishbase.org. is an eel in the family Ophichthidae (worm/snake eels).''Phaenomonas longissima''
at www.fishbase.org. It was described by Jean Cadenat and Émile Marchal in 1963, originally under the genus ''

Callechelys ''Callechelys'' is a genus of eels in the snake eel family Ophichthidae. It currently contains the following fifteen species: * ''Callechelys bilinearis'' Robert H. Kanazawa, Kanazawa, 1952 (twostripe snake eel) * ''Callechelys bitaeniata'' (Wi ...

''.Cadenat, J. and E. Marchal, 1963 (Oct.) ''Résultats des campagnes océanographiques de la Reine-Pokou aux îles Sainte-Hélène et Ascension.'' Bulletin de l'Institut Francais d'Afrique Noire (Sér A) Sciences Naturelles v. 25 (no. 4): 1235-1315, 51 unnumbered pls. 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 * ...

, tropical eel which is known from the Atlantic Ocean, including

Ascension Island Ascension Island is an isolated volcanic island, 7°56′ south of the Equator in the South Atlantic Ocean. It is about from the coast of Africa and from the coast of South America. It is governed as part of the British Overseas Territory o ...

, St. Helena, Brazil, Senegal, Ghana, and

Cape Verde , national_anthem = () , official_languages = Portuguese , national_languages = Cape Verdean Creole , capital = Praia , coordinates = , largest_city = capital , demonym ...

. It dwells at a depth range of , and forms burrows in sand and mud sediments on the

continental shelf A continental shelf is a portion of a continent that is submerged under an area of relatively shallow water, known as a shelf sea. Much of these shelves were exposed by drops in sea level during glacial periods. The shelf surrounding an island ...

. Males can reach a maximum total length of .

References

Ophichthidae Fish of the Atlantic Ocean Fish described in 1963 Taxa named by Jean Cadenat {{Anguilliformes-stub