Ophichthidae is a
family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
of
fish
Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% ...
in the
order Anguilliformes
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 sta ...
, commonly known as the snake eels. The term "Ophichthidae" comes from
Greek
Greek may refer to:
Greece
Anything of, from, or related to Greece, a country in Southern Europe:
*Greeks, an ethnic group.
*Greek language, a branch of the Indo-European language family.
**Proto-Greek language, the assumed last common ancestor ...
''ophis'' ("serpent") and ''ichthys'' ("fish"). Snake eels are also burrowing eels. They are named for their physical appearance, as they have long, cylindrical, snake-like bodies.
This family is found worldwide in
tropical
The tropics are the regions of Earth surrounding the Equator. They are defined in latitude by the Tropic of Cancer in the Northern Hemisphere at N and the Tropic of Capricorn in
the Southern Hemisphere at S. The tropics are also referred to ...
to warm
temperate
In geography, the temperate climates of Earth occur in the middle latitudes (23.5° to 66.5° N/S of Equator), which span between the tropics and the polar regions of Earth. These zones generally have wider temperature ranges throughout t ...
waters. They inhabit a wide
range of habitats, from coastal shallows and even
river
A river is a natural flowing watercourse, usually freshwater
Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. Although the ...
s, to depths below .
[ Most species are bottom dwellers, hiding in mud or sand to capture their prey of crustaceans and small fish, but some are ]pelagic
The pelagic zone consists of the water column of the open ocean, and can be further divided into regions by depth (as illustrated on the right). The word ''pelagic'' is derived . The pelagic zone can be thought of as an imaginary cylinder or w ...
.
These species range in 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 ...
from to or more. Many species lack fins altogether, improving their ability to burrow into the substrate like worms. They are often spotted or striped in colour, mimicking
In evolutionary biology, mimicry is an evolved resemblance between an organism and another object, often an organism of another species. Mimicry may evolve between different species, or between individuals of the same species. Often, mimicry ...
the appearance of venomous sea snake
Sea snakes, or coral reef snakes, are elapid snakes that inhabit marine environments for most or all of their lives. They belong to two subfamilies, Hydrophiinae and Laticaudinae. Hydrophiinae also includes Australasian terrestrial snakes, wher ...
s to deter predators.[ Often, they are washed ashore by large storms.
]
Genera
Currently, 62 recognized genera are placed in this family:
*Subfamily Myrophinae
** ''Ahlia
The key worm eel, ''Ahlia egmontis'', is a species of eel in the family Ophichthidae. It is the only member of its genus. It is found in the western Atlantic Ocean from Canada through the Gulf of Mexico and the Caribbean islands to Brazil in ree ...
'' Jordan & Davis, 1891
** '' Asarcenchelys'' McCosker, 1985
** ''Benthenchelys
''Benthenchelys'' is a genus of deep sea eels in the snake-eel family Ophichthidae, with these species:
* ''Benthenchelys cartieri'' Fowler, 1934
* '' Benthenchelys indicus'' Castle
A castle is a type of fortified structure built durin ...
'' Fowler, 1934
** '' Glenoglossa'' McCosker, 1982
** '' Mixomyrophis'' McCosker, 1985
** ''Muraenichthys
''Muraenichthys'' is a genus of eels in the snake eel family Ophichthidae.
Species
There are currently 8 recognized species in this genus:
* ''Muraenichthys gymnopterus'' ( Bleeker, 1853)
* ''Muraenichthys hattae'' D. S. Jordan & Snyder, 19 ...
'' Bleeker, 1853
** '' Myrophis'' Lütken, 1852
** '' Neenchelys'' Bamber, 1915
** '' Pseudomyrophis'' Wade, 1946
** '' Pylorobranchus'' McCosker & Chen, 2012 [McCosker, J.E., Loh, K.-H., Lin, J. & Chen, H.-M. (2012)]
''Pylorobranchus hoi'', a New Genus and Species of Myrophine Worm-Eel from Taiwan (Anguilliformes: Ophichthidae).
''Zoological Studies, 51 (7): 1188-1194.''
** '' Schismorhynchus'' McCosker, 1970
** '' Schultzidia'' Gosline, 1951
** '' Scolecenchelys'' Ogilby, 1897
** '' Skythrenchelys'' Castle & McCosker, 1999
** '' Sympenchelys'' Hibino, Ho & Kimura, 2015 [Hibino, Y., Ho, H.-C. & Kimura, S. (2015)]
A new genus and species of worm eels, ''Sympenchelys taiwanensis'' (Anguilliformes: Ophichthidae: Myrophinae), from the northwestern Pacific Ocean.
''Zootaxa, 4060 (1): 41–48.''
* Subfamily Ophichthinae
** '' Allips'' McCosker, 1972
** ''Aplatophis
''Aplatophis'' is a genus of eels in the snake-eel family Ophichthidae with these species:
* ''Aplatophis chauliodus
''Aplatophis chauliodus'', the fangtooth snake-eel, also known as the tusky eel in Cuba and the United States, is an eel ...
'' Böhlke, 1956
** '' Aprognathodon'' Böhlke, 1967
** '' Apterichtus'' Duméril, 1805
** ''Bascanichthys
''Bascanichthys'' is a genus of eels in the snake eel family Ophichthidae. It currently contains the following species:
* ''Bascanichthys bascanium'' (David Starr Jordan, D. S. Jordan, 1884) (Sooty eel)
* ''Bascanichthys bascanoides'' Raymond Ca ...
'' Jordan & Davis, 1891
** ''Brachysomophis
''Brachysomophis'' is a genus of eels in the snake eel family Ophichthidae.
Species
There are currently 7 recognized species in this genus:
* '' Brachysomophis atlanticus'' Blache & Saldanha, 1972
* '' Brachysomophis cirrocheilos'' ( Bleeke ...
'' Kaup, 1856
** ''Caecula
''Caecula'' is a genus of eels in the snake eel family Ophichthidae. It currently contains the following species:
* '' Caecula kuro'' ( Nagamichi Kuroda, 1947)
* '' Caecula pterygera'' Vahl, 1794 ( Finny snake-eel)
References
*
Ophichth ...
'' Vahl, 1794
** ''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 ...
'' Kaup, 1856
** ''Caralophia
''Caralophia loxochila'', the Slantlip eel, is a species of eel in the family Ophichthidae. It is the only member of its genus. It is found in the western Atlantic Ocean in shallow waters around the Florida Keys
The Florida Keys are a cora ...
'' Böhlke, 1955
** '' Chauligenion'' McCosker & Okamoto, 2016 [McCosker, J.E. & Okamoto, M. (2016)]
''Chauligenion camelopardalis'', a New Genus and Species of Deepwater Snake Eel (Anguilliformes: Ophichthidae) from the East China Sea.
''Proceedings of the California Academy of Sciences, 63 (9): 321-328.''
** ''Cirrhimuraena
''Cirrhimuraena'' is a genus of eels in the snake eel family Ophichthidae.
Species
There are currently 10 recognized species in this genus:
* '' Cirrhimuraena calamus'' ( Günther, 1870)
* '' Cirrhimuraena cheilopogon'' (Bleeker, 1860)
* '' Ci ...
'' Kaup, 1856
** ''Cirricaecula
''Cirricaecula'' is a genus of eels in the snake eel family Ophichthidae.
Species
There are currently two recognized species in this genus:
* '' Cirricaecula johnsoni'' L. P. Schultz, 1953 (Fringelip snake-eel)
* '' Cirricaecula macdowelli'' ...
'' Schultz, 1953
** ''Dalophis
''Dalophis'' is a genus of eels in the snake eel family Ophichthidae. It currently contains the following species:
* ''Dalophis boulengeri'' (Jacques Blache, Blache, Jean Cadenat, Cadenat & Alfred Stauch, Stauch, 1970)
* ''Dalophis cephalopeltis ...
'' Rafinesque, 1810
** ''Echelus
''Echelus'' is a genus of eels in the snake-eel family Ophichthidae.
Species
There are currently 4 recognized species in this genus:
* '' Echelus myrus'' ( Linnaeus, 1758) (Painted eel)
* '' Echelus pachyrhynchus'' ( Vaillant, 1888)
* '' Echelu ...
'' Rafinesque, 1810
** ''Echiophis
''Echiophis'' is a genus of eels in the snake eel family Ophichthidae. It currently contains the following species:
* '' Echiophis brunneus'' ( Castro-Aguirre & Suárez de los Cobos, 1983) (Pacific spoon-nose eel)
* '' Echiophis intertinctus' ...
'' Kaup, 1856
** ''Ethadophis
''Ethadophis'' is a genus of eels in the snake eel family Ophichthidae. It currently contains the following species:
* '' Ethadophis akkistikos'' McCosker & J. E. Böhlke, 1984 (Indifferent eel)
* '' Ethadophis byrnei'' Rosenblatt & McCosker ...
'' Rosenblatt & McCosker, 1970
** '' Evips'' McCosker, 1972
** ''Gordiichthys
''Gordiichthys'' is a genus of eels in the snake eel family Ophichthidae. It currently contains the following species:
* '' Gordiichthys combibus'' McCosker & Lavenberg, 2001
* '' Gordiichthys ergodes'' McCosker, E. B. Böhlke & J. E. Böh ...
'' Jordan & Davis, 1891
** ''Hemerorhinus
''Hemerorhinus'' is a genus of eels in the snake eel family Ophichthidae. It contains the following species:
* ''Hemerorhinus heyningi'' (Max Carl Wilhelm Weber, M. C. W. Weber, 1913)
* ''Hemerorhinus opici'' Jacques Blache, Blache & Marie-Louis ...
'' Weber & de Beaufort, 1916
** '' Herpetoichthys'' Kaup, 1856
** ''Hyphalophis
''Hyphalophis devius'' is a species of eel in the family Ophichthidae. It is the only member of its genus. It is found in the waters off of Grenada
Grenada ( ; Grenadian Creole French: ) is an island country in the West Indies in the Ca ...
'' McCosker & Böhlke, 1982
** ''Ichthyapus
''Ichthyapus'' is a genus of eels in the snake eel family Ophichthidae.
Species
There are currently 7 recognized species in this genus:
* ''Ichthyapus acuticeps'' Keppel Harcourt Barnard, Barnard, 1923 (Sharpnose sand eel)
* ''Ichthyapus insular ...
'' Brisout de Barneville, 1847
** ''Kertomichthys
''Kertomichthys blastorhinos'' is a species of eel in the family Ophichthidae. It is the only member of its genus. It is found only in the Atlantic Ocean in the vicinity of French Guiana.
References
*
Ophichthidae
Fish described in 1963 ...
'' McCosker & Böhlke, 1982
** ''Lamnostoma
''Lamnostoma'' is a genus of eels in the snake eel family Ophichthidae. It currently contains the following species:
* ''Lamnostoma kampeni'' (Max Carl Wilhelm Weber, M. C. W. Weber & Lieven Ferdinand de Beaufort, de Beaufort, 1916) (Freshwater s ...
'' Kaup, 1856
** '' Leiuranus'' Bleeker, 1852
** ''Leptenchelys
''Leptenchelys vermiformis'', or the slender worm-eel, is a species of eel in the family Ophichthidae. It is the only member of its genus. It is found only in the Pacific Ocean in the vicinity of Costa Rica
Costa Rica (, ; ; literally "R ...
'' Myers & Wade, 1941
** ''Letharchus
''Letharchus'' is a genus of eels in the snake eel family Ophichthidae. It currently contains the following species:
* '' Letharchus aliculatus'' McCosker, 1974
* '' Letharchus rosenblatti'' McCosker, 1974 (Sailfin snake-eel)
* '' Letharchus ...
'' Goode & Bean, 1882
** ''Lethogoleos
''Lethogoleos andersoni'', or the forgetful snake-eel, is a species of eel in the family Ophichthidae. It is the only member of its genus. It is found only in the Atlantic Ocean off the coast of South Carolina.
References
*
Ophichthidae ...
'' McCosker & Böhlke, 1982
** ''Leuropharus
''Leuropharus lasiops'', or the acned snake-eel, is a species of eel in the family Ophichthidae. It is the only member of its genus. It is found only in the Pacific Ocean off the coast of Mexico
Mexico (Spanish: México), officially the U ...
'' Rosenblatt & McCosker, 1970
** ''Luthulenchelys
''Luthulenchelys heemstraorum'' is a species of eel in the family Ophichthidae. It is the only member of its genus. It is known only in the Indian Ocean in the vicinity of South Africa.
References
*
Ophichthidae
Fish described in 2007< ...
'' McCosker, 2007
** ''Malvoliophis
''Malvoliophis pinguis'', or the halfband snake-eel, is a species of eel in the family Ophichthidae. It is the only member of its genus. It is found in the western Pacific Ocean in the vicinity of Australia and Lord Howe Island
Lord Ho ...
'' Whitley, 1934
** ''Myrichthys
''Myrichthys'' is a genus of snake eels currently containing 11 recognized species found in tropical and warm temperate oceans worldwide.
Species
* '' Myrichthys aspetocheiros'' McCosker & Rosenblatt, 1993 (longfin spotted snake eel)
* ''Myrich ...
'' Girard, 1859
** ''Mystriophis
''Mystriophis'' is a genus of eels in the snake eel family Ophichthidae. It currently contains the following species:
* '' Mystriophis crosnieri'' Blache, 1971
* '' Mystriophis rostellatus'' ( J. Richardson, 1848) (African spoon-nose eel)
Ref ...
'' Kaup, 1856
** ''Ophichthus
''Ophichthus'' is a genus of eels in the snake eel family
Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). Th ...
'' Ahl, 1789
** '' Ophisurus'' Lacépède, 1800
** ''Paraletharchus
''Paraletharchus'' is a genus of eels in the snake eel family Ophichthidae.
Species
There are currently two recognized species in this genus:
* '' Paraletharchus opercularis'' ( G. S. Myers & Wade, 1941) (Pouched snake-eel)
* '' Paraletharchu ...
'' McCosker, 1974
** ''Phaenomonas
''Phaenomonas'' is a genus of eels in the snake eel family Ophichthidae.
Species
There are currently three recognized species in this genus:
* '' Phaenomonas cooperae'' G. Palmer, 1970 (Short-maned sand-eel)
* '' Phaenomonas longissima'' ( Ca ...
'' Myers & Wade, 1941
** '' Phyllophichthus'' Gosline, 1951
** ''Pisodonophis
''Pisodonophis'' is a genus of eels in the snake eel family Ophichthidae. It currently contains the following species:
* '' Pisodonophis boro'' ( F. Hamilton, 1822) (rice-paddy eel)
* ''Pisodonophis cancrivorus'' ( J. Richardson, 1848) (longfin ...
'' Kaup, 1856
** ''Quassiremus
''Quassiremus'' is a genus of eels in the snake eel family Ophichthidae. It currently contains the following species:
* ''Quassiremus ascensionis'' (Théophile Rudolf Studer, Studer, 1889) (Black-spotted snake eel)
* ''Quassiremus evionthas'' (D ...
'' Jordan & Davis, 1891
** '' Rhinophichthus'' McCosker, 1999
** ''Scytalichthys
''Scytalichthys miurus'', the short-tailed viper-eel, is a species of eel in the family Ophichthidae. It is the only member of its genus. It is found in the eastern Pacific Ocean around Mexico and the Galapagos Islands.
References
*
Oph ...
'' Jordan & Davis, 1891
** ''Stictorhinus
''Stictorhinus potamius'' is a species of freshwater eel in the family Ophichthidae. It is the only member of its genus. It is found in the major river basins of Brazil.
References
*
Ophichthidae
Fish described in 1975
{{Anguillif ...
'' Böhlke & McCosker, 1975
** '' Suculentophichthus'' Fricke, Golani & Appelbaum-Golani, 2015 [Fricke, R., Golani, D. & Appelbaum-Golani, B. (2015)]
''Suculentophichthus nasus'', a new genus and new species of snake eel from the northern Gulf of Aqaba, Red Sea (Teleostei: Ophichthidae).
''Journal of the Ocean Science Foundation, 16: 56–66.''
** ''Xestochilus
''Xestochilus'' is a genus of eel in the family Ophichthidae. The genus contains one species being Xestochilus nebulosus (nebulosus snake eel). X. Nebulosus lives in the indo-pacific ocean in 2 to 42 meter deep waters. The nebulosus snake eel a ...
'' McCosker, 1998
** '' Xyrias'' Jordan & Snyder, 1901
** ''Yirrkala
Yirrkala is a small community in East Arnhem Region, Northern Territory, Australia, southeast of the large mining town of Nhulunbuy, on the Gove Peninsula in Arnhem Land. Its population comprises predominantly Aboriginal Australians of the ...
'' Whitley, 1940
References
{{Taxonbar, from=Q923919
Eels
Ray-finned fish families
Marine fish families
Extant Eocene first appearances
Taxa named by Albert Günther