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Callechelys is a genus of eels in the snake eel family Ophichthidae. It currently contains the following fifteen species:
The African longfin eel, also known simply as the longfin eel, is an eel in the family Anguillidae. It was described by Wilhelm Peters in 1852, originally under the genus Muraena. It is a tropical eel known from freshwaters in southern Kenya, Cape Agulhas, Madagascar, and New Caledonia. The eels spend most of their lives in freshwaters far inland, but migrate to the Western Indian Ocean to breed. Males can reach a maximum total length of 150 centimetres; females can reach a maximum standard length of 120 centimetres and a maximum weight of 5,000 grams. The eels can live for about 20 years. Juveniles and adults are known to feed off of carcasses, crabs, and bony fish.
The mottled eel, also known as the African mottled eel, the Indian longfin eel, the Indian mottled eel, the long-finned eel or the river eel, is a demersal, catadromous eel in the family Anguillidae. It was described by John McClelland in 1844. It is a tropical, freshwater eel which is known from East Africa, Bangladesh, Andaman Islands, Mozambique, Malawi, Sri Lanka, Sumatra, and Indonesia and recently from Madagascar. The eels spend most of their lives in freshwater at a depth range of 3–10 metres, but migrate to the Indian Ocean to breed. Males can reach a maximum total length of 121 centimetres and a maximum weight of 7,000 grams. The eels feed primarily off of benthic crustaceans, mollusks, finfish and worms.
The white-ring garden eel, also known as the Cape garden eel in Mexico, is an eel in the family Congridae. It was described by Garry I. McTaggart-Cowan and Richard Heinrich Rosenblatt in 1974, originally under the genus Taenioconger. It is a marine, tropical eel which is known from the Gulf of California, in the eastern central Pacific Ocean. It is known to dwell at a depth of 20 m (66 ft), and inhabits sand sediments near reefs, where it forms burrows in nonmigratory colonies. Males can reach a maximum total length of 80 cm.
Facciolella karreri is an eel in the family Nettastomatidae. It was described by Wolfgang Klausewitz in 1995. It is a marine, deep water-dwelling eel which is known from the eastern and western Indian Ocean and the western central Pacific Ocean, including the Red Sea, Egypt, Eritrea, Somalia, Saudi Arabia, Yemen and Sudan, and possibly northern Australia. It dwells at a depth range of 700–2000 metres, and is believed to inhabit holes in soft sediments on the sea-bottom. Males can reach a maximum total length of 36.1 centimetres.
Hoplunnis schmidti is an eel in the family Nettastomatidae. It was described by Johann Jakob Kaup in 1860. It is a marine, tropical eel which is known from Venezuela, in the western central Atlantic Ocean.
Saurenchelys meteori is an eel in the family Nettastomatidae. It was described by Wolfgang Klausewitz and Uwe Zajonz in 2000. It is a marine, deep water-dwelling eel which is known from the western Indian Ocean, including Djibouti, Eritrea, Egypt, Saudi Arabia, Sudan, Yemen and Somalia. It is known to dwell at a depth range of 696 to 705 metres. Males can reach a maximum total length of 44.2 centimetres (17.4 in).
The snaggle-toothed snake-eel is an eel in the family Ophichthidae. It was described by John E. McCosker and David Ross Robertson in 2001. It is a marine, tropical eel which is known from a single specimen collected from Panama, in the eastern central Pacific Ocean. From the specimen it is known to dwell at a depth range of 5–10 metres, and reach a maximum total length of 104 centimetres. Based on other eel species it is estimated to inhabit burrows on a permanent or semi-permanent basis, and feed on small fish and crustaceans.
The Western Atlantic finless eel is an eel in the family Ophichthidae. It was described by Charles Henry Gilbert in 1891. It is a marine, subtropical eel which is known from the western and eastern Atlantic Ocean, including North Carolina, USA; the western Bahamas, Venezuela, and St. Helena Island. It dwells at a depth range of 3 to 400 metres, and forms burrows in sandy sediments on the continental shelf. Males can reach a maximum total length of 60 centimetres (24 in).
The Spotted ridgefin eel is an eel in the family Ophichthidae. It was described by John E. McCosker and Richard Heinrich Rosenblatt in 1972. It is a marine, tropical eel which is known from the eastern central Pacific Ocean, including Costa Rica, Mexico, and Panama. It dwells at a depth range of 5 to 25 metres, and inhabits benthic sediments of rock and sand. Males can reach a maximum standard length of 113 centimetres (44 in).
The Galapagos ridgefin eel is an eel in the family Ophichthidae. It was described by John E. McCosker and Richard Heinrich Rosenblatt in 1972. It is a tropical, marine eel which is known from four specimens collected from the Galapagos Islands, in the southeastern Pacific Ocean. It inhabits coral, sand and rock.
Callechelys leucoptera is an eel in the family Ophichthidae. It was described by Jean Cadenat in 1954. It is a tropical, marine eel which is known from the eastern Atlantic Ocean, including Senegal to Côte d'Ivoire. It is known to dwell at a depth of 45 metres. It inhabits shallow waters where it forms burrows in the sand, which are sometimes exposed during low tide. Males can reach a maximum total length of 73 centimetres, but more commonly reach a TL of 50 centimetres.
The Oriental worm-eel, also known as the Oriental snake eel, the Oriental sand-eel or the finny sand-eel, is an eel in the family Ophichthidae. It was described by John McClelland in 1844, originally under the genus Dalophis. It is a tropical, marine and freshwater-dwelling eel which is known from the Indo-Western Pacific, including Somalia, South Africa, India, Papua New Guinea, Tahiti, French Polynesia, Indonesia, Oman, Palau, New Caledonia, the Philippines, Sri Lanka, Seychelles, and Vanuatu. It dwells at a depth range of 0 to 3 metres, and forms burrows in sand and mud sediments in estuaries, rivers, and inshore turbid waters. Males can reach a maximum total length of 36 centimetres (14 in), but more commonly reach a TL of 25 centimetres (9.8 in).
The highfin snake eel (Ophichthus altipennis, also known as the blackfin snake eel or the black-finned snake eel, is an eel in the family Ophichthidae. It was described by Johann Jakob Kaup in 1856, originally under the genus Microdonophis. It is a marine, tropical eel known from the eastern Indian Ocean and northwestern and western central Pacific Ocean, including Australia, French Polynesia, Indonesia, Japan, the Marshall Islands, Malaysia, the Philippines, and Papua New Guinea. It dwells at a depth range of 0 to 40 m, and forms burrows in soft inshore sand sediments. Males can reach a maximum total length of 103 cm.
The death-banded snake-eel is an eel in the family Ophichthidae. It was described by Samuel Garman in 1899. It is a tropical, marine eel which is known from the eastern central and southeastern Pacific Ocean, including the central Gulf of California, Colombia, Costa Rica, Mexico and Panama. It dwells at a depth range of 35–760 metres, and forms burrows in sandy and muddy bottoms. Males can reach a maximum total length of 86 centimetres.
The Longarmed snake eel is an eel in the family Ophichthidae. It was described by John E. McCosker and Richard Heinrich Rosenblatt in 1998. It is a marine, tropical eel which is known from the eastern central Pacific Ocean, including Mexico, Costa Rica, El Salvador, Guatemala, Nicaragua, and Panama. It is known to dwell at a depth range of 24 to 79 metres, and inhabits soft substrates. Males can reach a maximum total length of 27.4 centimetres (10.8 in).
The Punctuated snake-eel is an eel in the family Ophichthidae. It was described by Achille Valenciennes in 1837, originally under the genus Ophisurus. It is a marine, subtropical eel which is known from the eastern central and southeastern Pacific Ocean, including Nicaragua, Chile, Colombia, Costa Rica, Ecuador, Peru, and Panama. It dwells at a depth range of 15 to 277 metres, and inhabits sand and mud sediments. Males can reach a maximum total length of 85 centimetres (33 in), but more commonly reach a TL of 60 centimetres (24 in).
The rice-paddy eel is an eel in the family Ophichthidae. It was described by Francis Buchanan-Hamilton in 1822, originally in the genus Ophisurus. It is a tropical, marine eel which is known from the Indo-West Pacific, including Somalia, Tanzania, South Africa, southern India, Sri Lanka, Indonesia, Polynesia, Australia, Bangladesh, Cambodia, Kenya, Madagascar, the Philippines, Malaysia, Mozambique, Seychelles, Saudi Arabia, Taiwan, China, Thailand, Vietnam, and southern Yemen. It is an anadromous species and spawns in freshwater, often in rice paddies during the rainy season, earning it its common name. It also spends time in lagoons, estuaries and coastal rivers, in which it lives in burrows in the river bottom and bank. Males can reach a maximum total length (TL) of 100 centimetres, but more commonly reach a TL of 70 cm.
The short-tooth sawpalate is an eel in the family Serrivomeridae. It was described by Johannes Schmidt in 1916, originally under the genus Leptocephalus. It is a marine, deep water-dwelling eel which is known from the eastern central and western central Atlantic Ocean, including the Bahamas and Bermuda, as well as the Strait of Gibraltar, Cape Verde, Canada and the United States. It dwells at a depth range of 150 to 1,000 metres. Males can reach a maximum total length of 65 centimetres (26 in).
The Kaup's arrowtooth eel is an eel in the family Synaphobranchidae. It was described by James Yate Johnson in 1862. It is a marine, deep water-dwelling eel which is known from the Indo-Western Pacific and eastern and western Atlantic Ocean, including the Faroe Islands, Iceland, Cape Verde, the Western Sahara, Nigeria, Namibia, South Africa, Greenland, France, Saint Pierre and Miquelon, the United Kingdom, Ireland, the Philippines, Portugal, Spain, the Bahamas, Brazil, Canada, Cuba, Japan, Australia, Mauritania, Morocco, and Hawaii. It dwells at a depth range of 120 to 4,800 metres, most often between 400 to 2,200 metres, and inhabits the upper abyssal zone on the continental slope. It is intolerant of the temperatures of higher waters. Males can reach a maximum total length of 100 centimetres (39 in).
References
- ↑ Synonyms of Callechelys bitaeniata at www.fishbase.org.
- 1 2 3 4 Callechelys bitaeniata at www.fishbase.org.
- ↑ Peters, W. (C. H.), 1877 [ref. 13950] Eine neue merkwürdige Art von fliegenden Fischen, Exocoetus cirriger, aus China, und einen neuen Muraeniden, Ophichthys bitaeniatus, aus Mombas. Monatsberichte der Königlichen Preuss[ischen] Akademie der Wissenschaften zu Berlin 1877: 555-556.
- 1 2 Callechelys bitaeniata at the IUCN redlist.
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