Antarctic neosquid

The Antarctic neosquid (Alluroteuthis antarcticus) is the only neosquid in the genus Alluroteuthis.[2] The tentacles are relatively short compared to the arms.

Antarctic neosquid

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Oegopsida
Family: Neoteuthidae
Genus: Alluroteuthis
Odhner, 1923
Species:
A. antarcticus
Binomial name
Alluroteuthis antarcticus
Odhner, 1923[2]

Nils Hjalmar Odhner, discoverer of the species, suggested that Parateuthis tunicata, discovered by Johannes Thiele in 1920, might be a young Antarctic neosquid. The validity of this suggestion is still in question. The name is derived from its habitat in the Antarctic Ocean.

Distribution

Alluroteuthis antarcticus occurs in from depths of 0–2,800 m (epipelagic and mesopelagic waters), and paralarvae can be found in the upper 200 m (epipelagic waters).[1] Its range may be circumpolar with an Antarctic and Sub-Antarctic distribution.[3]

Ecology

It preys upon Antarctic krill, Antarctic silverfish and other squids.[1] However, Isotopic evidence suggests a diet in prey that are likely mesopelagic zooplankton that feed on sinking organic matter.[3]

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References
  1. Barratt, I. & Allcock, L. (2014). "Alluroteuthis antarctica". IUCN Red List of Threatened Species. 2014: e.T163260A991014. doi:10.2305/IUCN.UK.2014-1.RLTS.T163260A991014.en.
  2. ""Alluroteuthis antarcticus"". Tree of Life Web Project. Retrieved 9 November 2010.
  3. Guerreiro, M.; Phillips, R.; Cherel, Y.; Ceia, F.; Alvito, P.; Rosa, R.; Xavier, J. (2015). "Habitat and trophic ecology of Southern Ocean cephalopods from stable isotope analyses" (PDF). Marine Ecology Progress Series. 530: 119–134. doi:10.3354/meps11266.
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