Long-necked halls
Long-necked halls | ||||||||||||
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Derichthys serpentinus |
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Systematics | ||||||||||||
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Scientific name | ||||||||||||
Derichthyidae | ||||||||||||
Gill , 1884 |
The long-necked eels (Derichthyidae), also called long-necked eels , live in the deep sea at depths of up to 2000 meters in the Atlantic , Pacific and Indian Oceans . Adult fish live mesopelagic or bathypelagic. The long dorsal fin begins behind the end of the pectoral fins , pelvic fins are missing. The anus is behind the middle of the body. Long-necked halls are 30 to 60 centimeters long, they have 125 to 160 vertebrae .
The genus Derichthys is short-snouted, Nessorhamphus has a long, pointed mouth, Coloconger , until recently the only genus of the monotypical family Colocongridae, has a stocky body with a short mouth for eels.
Genera and species
- Genus Coloconger
- Genus Derichthys
- Derichthys serpentinus Gill, 1884 .
- Genus Nessorhamphus
- Nessorhamphus danae Schmidt, 1931 .
- Nessorhamphus ingolfianus (Schmidt, 1912) .
- Genus Thalassenchelys Castle & Raju, 1975
- Thalassenchelys coheni Castle & Raju, 1975
- Thalassenchelys foliaceus Castle & Raju, 1975
literature
- Joseph S. Nelson, Terry C. Grande, Mark VH Wilson: Fishes of the World. Wiley, Hoboken, New Jersey, 2016, ISBN 978-1118342336
Web links
Commons : Langhalsaale (Derichthyidae) - Collection of images, videos and audio files
- Longneck eel on Fishbase.org (English)