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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 Highlands long-finned eel is an eel in the family Anguillidae. It was described by Gilbert Percy Whitley in 1938. It is a tropical eel known from freshwaters in eastern New Guinea. The eels spend most of their lives in freshwater but migrate to the ocean to breed. Males can reach a maximum total length of 80 centimetres.
The Polynesian longfinned eel, also known as the Pacific long-finned eel, is an eel in the family Anguillidae. It was described by Johann Jakob Kaup in 1856. It is a tropical eel found in freshwaters in the Pacific, including Sulawesi, Indonesia; the Society Islands, and Pitcairn. The eels spend most of their lives in freshwater, but migrate to the ocean to breed. Males can reach a maximum total length of 100 centimetres, while females can reach a maximum TL of 165 centimetres and a maximum weight of 9,000 grams.
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 Pacific shortfinned eel, also known as the Pacific shortfinned freshwater eel, the short-finned eel, and the South Pacific eel, is an eel in the family Anguillidae. It was described by Albert Günther in 1871. It is a tropical, freshwater eel which is known from western New Guinea, Queensland, Australia, the Society Islands, and possibly South Africa. The eels spend most of their lives in freshwater, but migrate to the Pacific Ocean to breed. Males can reach a maximum total length of 110 centimetres, but more commonly reach a TL of around 60 cm. The Pacific shortfinned eel is most similar to Anguilla australis, and Anguilla bicolor, but can be distinguished by the number of vertebrae.
The red eel is an eel in the family Myrocongridae. It was described by Albert Günther in 1870. It is a tropical, marine eel known from the eastern Atlantic Ocean, including St. Helena, Dakar, Senegal, and possibly São Tomé and Principe. Males are known to reach a maximum total length of 53.8 cm. These eel are classified as teleost fish, meaning they belong to a group of fish that comprises ray-finned fish. These fins aid the eel in gliding through the water faster or crawling on the ocean floor.
The giant leptocephalus is an eel in the family Colocongridae. It was described by Peter Henry John Castle in 1959. It is a marine, deep-water dwelling eel which is distributed worldwide. Usually, true eel larva are 5-10% of the adult's size, and this leptocephalus measured 1.8 m in length, thus making a theorical eel of 29.4m or so.
Coloconger japonicus is a species of eels in the family Colocongridae. It was described by Yoshihiko Machida in 1984. It is a marine, deep-water dwelling eel which is known from the East China Sea. It dwells at a depth range of 750–760 metres. Males can reach a maximum total length of 56 centimetres.
Coloconger meadi is an eel in the family Colocongridae. It was described by Robert H. Kanazawa in 1957. It is a marine, deep-water dwelling eel from the Gulf of Mexico and Suriname in the western central Atlantic Ocean. It dwells at a depth range of 650–925 m. Males can reach a maximum total length of 37.7 cm.
The froghead eel is an eel in the family Colocongridae. It was described by Alfred William Alcock in 1889. It is a marine, deep-water dwelling eel which is known from the Indo-west Pacific, including East Africa, Madagascar, and southern Japan. It dwells at a depth range of 300–1134 metres. Males can reach a maximum total length of 50 centimetres.
The Longnose conger is an eel in the family Congridae. It was described by Peter Henry John Castle in 1968, originally under the genus Congrina. It is a marine, deep water-dwelling eel which is known from the Indo-Western Pacific, including Mozambique, Natal, South Africa, Japan, the Philippines, and Indonesia. It dwells at a depth range of 250–500 metres. Males can reach a maximum total length of 55 centimetres.
Congriscus megastomus is an eel in the family Congridae. It was described by Albert Günther in 1877, originally under the genus Congromuraena. It is a marine, temperate-water dwelling eel which is known from Japan and the Kyushu-Palau Ridge, in the northwestern Pacific Ocean. It inhabits reefs. Males can reach a maximum total length of 40 centimeters. This species' remarkably large and distinct leptocephalus larvae were previously known under the name Thalassenchelys coheni. In 2016, scientists used genetic techniques to link the larvae to the adult C. megastomus. These larvae reach a maximum size of 30 cm (12 in) and have a number of unusual characteristics, including two forward-facing front teeth that may be used for feeding on different prey than other eel larvae.
Facciolella gilbertii, known commonly as the Dogface witch-eel, is an eel in the family Nettastomatidae. It was described by Samuel Garman in 1899. It is a marine, deep water-dwelling eel which is known from the eastern central Pacific Ocean, including California, USA, and Panama. It is known to dwell at a depth of 935 metres. It is often caught in bottom trawls. Females are oviparous, and the larvae are planktonic. Males can reach a maximum total length of 61 centimetres.
The pillar wire eel is an eel in the family Nettastomatidae. It was described by Einar Hagbart Martin Lea in 1913, originally under the genus Leptocephalus. It is a marine, tropical eel which is known from the western Pacific Ocean. It is oceanodromous, and is known to dwell at a depth range of 27 to 460 metres.
The Finned worm eel is an eel in the family Ophichthidae. It was described by Coenraad Jacob Temminck and Hermann Schlegel in 1846. It is a marine, tropical eel which is known from the Indo-Pacific, including East Africa, the Society Islands, and southern Japan. It is known to dwell in reefs. It is the only worm eel in its region which possesses pectoral fins. Males can reach a maximum total length of 60 centimetres.
The African spoon-nose eel is an eel in the family Ophichthidae. It was described by John Richardson in 1848. It is a tropical, marine eel which is known from the eastern Atlantic Ocean, including Mauritania and Namibia. It is known to dwell at an approximate depth of 40 metres, and inhabits lagoons and coastal waters. It leads a benthic lifestyle, burrowing into sand and mud. Males can reach a maximum total length of 140 centimetres, but more commonly reach a TL of 80 cm.
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 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 yellow snake-eel is an eel in the family Ophichthidae. It was described by David Starr Jordan and Charles Henry Gilbert in 1882. It is a marine, subtropical eel known from the eastern central and southeastern Pacific Ocean, including Chile, Costa Rica, Colombia, Ecuador, Guatemala, El Salvador, Honduras, Nicaragua, Mexico, Panama, Peru, and the United States. It dwells at a depth range of 1 to 110 m, and forms burrows in rocky and sandy regions. Males can reach a maximum total length of 818 cm (322 in), but more commonly reach a length of 540 cm (210 in).
The Bean's sawtooth eel is an eel in the family Nemichthyidae. It was described by Theodore Gill and John Adam Ryder in 1883. It is a marine, deep water-dwelling eel which is known from throughout the Atlantic Ocean, the Indian Ocean, and the Western Pacific Ocean, including Iceland, South Africa, Réunion, and Australia. It dwells at a depth range of 0–5998 metres, and leads a solitary lifestyle. It migrates vertically at night. Males can reach a maximum total length of 78-80 centimetres, making it the largest sawtooth eel.
References
- ↑ Synonyms of Coloconger eximia at www.fishbase.org.
- 1 2 Coloconger eximia at www.fishbase.org.
- ↑ Castle, P. H. J., 1967 (Aug.) [ref. 770] Two remarkable eel-larvae from off southern Africa. Special Publication, Department of Ichthyology, Rhodes University No. 1: 1-12, Pls. 1-2.
- ↑ Smith, David G. (1979). "Guide to the Leptocephali" (PDF). NOAA Technical Report NMFS Circular 424: 39 – via National Oceanic and Atmospheric Administration.
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