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Saccopharynx ampullaceus, referred to as the gulper eel, gulper, taillight gulper or pelican-fish, is an ocean-dwelling eel found in the North Atlantic Ocean. They are found up to a depth of 3,000 m (9,800 ft).[3][4] These fish are rarely observed, so little information is currently known about their habits or full distribution.

Saccopharynx ampullaceus
Conservation status
Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Anguilliformes
Family:	Saccopharyngidae
Genus:	Saccopharynx
Species:	S. ampullaceus
Binomial name
Saccopharynx ampullaceus Harwood, 1827[2]
Synonyms
Saccopharynx flagellum Ophiognathus ampullaceus Leptocephalus latissimus

Type specimen

In the fall of 1826, a Captain Sawyer, of the ship Harmony, of Hull, while cruising for northern bottlenose whales at 62° N and about 57° W, found the type specimen, floating at the surface, of what was named Ophiognathus ampullaceus by I. Harwood, at the time the professor of natural history at the Royal Institution of Great Britain. It was at first thought to be an inflated seal skin, but on getting closer they realized it was alive. It was attempting to eat a perch of "about seven inches in circumference". The 1.37 metres (4 ft 6 in) specimen was captured and preserved in rum.[5]

Physical characteristics

Like other saccopharyngiforms, these fish have large mouths and long, slender bodies with long tails that have a bioluminescent organ at the tip. The function of this organ is currently unknown.

Saccopharynx ampullaceus lacks a traditional gas-filled swim bladder, presumably due to the pressures at the depths they live in. Instead, the function of the swim bladder has been replaced by lymphatic spaces that run along the spine which are filled with a gelatinous substance. This gelatinous substance is thought to be maintained by the eel's aglomerular kidney.[6]

References

На других языках

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- [en] Saccopharynx ampullaceus

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[es] Saccopharynx ampullaceus

Saccopharynx ampullaceus es el nombre científico de un pez de aguas profundas perteneciente a la familia Saccopharyngidae. Es una especie batipelágica que habita hasta los 3000 m de profundidad,[1] principalmente en la zona oriental del océano Atlántico desde Groenlandia hasta las islas de Cabo Verde, aunque también se lo ha avistado en la mitad occidental del Atlántico. Con una longitud máxima de 1,61 m,[1] es el mayor de todos los Saccopharyngiformes. Solo se han estudiado unos pocos ejemplares.

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