Ancistrocheirus

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Sharpear enope squid

Least Concern  (IUCN 3.1)[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Oegopsida
Superfamily: Enoploteuthoidea
Family: Ancistrocheiridae
Pfeffer, 1912
Genus: Ancistrocheirus
Gray, 1849
Species:
A. lesueurii
Binomial name
Ancistrocheirus lesueurii
(D'Orbigny, 1842)[2]
Synonyms[2]
  • Abralia megalops Verrill, 1882
  • Ancistroteuthis lesueurii (d'Orbigny, 1842)
  • Enoploteuthis lesueurii d'Orbigny, 1842
  • Enoploteuthis pallida Pfeffer, 1884
  • Enoploteuthis polyonyx Troschel, 1857
  • Loligo alessandrinii Vérany, 1847
  • Onychia caribaea Steenstrup, 1880
  • Onychoteuthis lesueurii Férussac, 1835
  • Thelidioteuthis alessandrinii (Vérany, 1847)

Ancistrocheirus lesueurii, the sharpear enope squid, is the only species in the genus Ancistrocheirus and family Ancistrocheiridae. With a mantle length of 25 cm (9.8 in), this moderately sized

mesopelagic
depths (200–1,000 m (660–3,280 ft) down).

Although only one species is recognized, some have suggested more than one species may exist due to differences in the paralarval morphology. Paralarva is the first free-living stage for cephalopods.

Characteristics

The buccal crown of the sharpear enope squid is heavily pigmented. The squid has no

suckers are absent from its manus and the squid's dactylus
is reduced.

Photophores

dorsal
six arms. The number of large photopores on the squid's mantle increases as it matures.

Ecology

They are eaten by the

Galapagos waters[3][4]

References

  1. doi:10.2305/IUCN.UK.2014-1.RLTS.T163050A966613.en
    .
  2. ^ a b Julian Finn (2016). "Ancistrocheirus lesueurii (d'Orbigny [in Férussac & d'Orbigny], 1842)". World Register of Marine Species. Flanders Marine Institute. Retrieved 24 February 2018.
  3. PMID 30984481
    .
  4. doi:10.1111/j.1748-7692.2000.tb00927.x
    .
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