bio.wikisort.org - Animal

The deepwater ray (Rajella bathyphila), also called the deepwater skate or abyssal skate,[3][4] is a species of skate in the family Rajidae.[5][6][7][8]

Deepwater ray
Conservation status
Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Order:	Rajiformes
Family:	Rajidae
Genus:	Rajella
Species:	R. bathyphila
Binomial name
Rajella bathyphila (Holt & Byrne, 1908)
Synonyms[2]
Raja bathyphila (Holt & Byrne, 1908) Raja bathyphilla (Holt & Byrne, 1908)

Distribution

The deepwater ray is bathydemersal; it has been recorded at 600–2,300 m (2,000–7,500 ft), mostly below 1,300–1,400 m (4,300–4,600 ft). It has been found in seas worldwide, concentrated in the North Atlantic, living on continental slopes and abyssal plains.[9][10]

Description

Like all rays, the deepwater ray has a flattened body with broad, wing-like pectoral fins. The dorsal surface of adults is white.[11] The outer edges of pectoral and pelvic fins shade to darker.[9] The upper surface is spinulose, but there are bare patches in the centre of the pectoral fins and on sides of body in adult males.[12]

Its maximum length is 90 cm (3.0 ft).[9]

Behaviour

Juveniles feed on small benthic invertebrates, while larger deepwater rays feed on larger invertebrates and fish.[13] It is parasitised by Echeneibothrium bathyphilum, a cestode tapeworm of the order Rhinebothriidea.[14]

Life cycle

The deepwater ray is oviparous. The eggs have horn-like projections on the shell. Paired eggs are laid, with embryos feed solely on yolk.

See also

• Fish of the Atlantic Ocean

References

External links

• Data related to Rajella bathyphila at Wikispecies

На других языках

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- [en] Deepwater ray

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[es] Rajella bathyphila

Rajella bathyphila es una especie de peces de la familia de los Rajidae en el orden de los Rajiformes.

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[ru] Rajella bathyphila

Rajella bathyphila (лат.) — вид хрящевых рыб семейства ромбовых скатов отряда скатообразных. Обитают в северо-восточной и северо-западной и восточно-центральной Атлантике между 55° с. ш. и 16° с. ш. Встречаются на глубине до 2172 м. Их крупные, уплощённые грудные плавники образуют ромбовидный диск. Максимальная зарегистрированная длина 90 см. Откладывают яйца. Не являются объектом целевого промысла[1][2][3].

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