Alloteuthis subulata

Source: Wikipedia, the free encyclopedia.
For Loligo vulgaris, see European squid.

European common squid
European common squid

Data Deficient  (IUCN 3.1)[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Myopsida
Family: Loliginidae
Genus: Alloteuthis
Species:
A. subulata
Binomial name
Alloteuthis subulata
(Lamarck, 1798)[2]
Synonyms
  • Loligo subulata
    Lamarck, 1798
  • Sepia subulata
    Bosc, 1802
  • Sepiola subalata
    Eydoux in Gervais & Beneden, 1838

Alloteuthis subulata, the European common squid, is a species of squid in the family Loliginidae.[1][2]

Distribution

Alloteuthis subulata is found in the eastern Atlantic Ocean as far south as North-west Africa, the North Sea, the western Baltic Sea,[3] and Mediterranean Sea.[1] In British waters, it has a southernly bias to its distribution but has been found as far north as the Solway Firth and the Firth of Clyde.[4]

Description

Colours of European common squid

Alloteuthis subulata has a long, narrow mantle with a long tail which is pointed in adult females and even longer and rather spike-like in adult males. The fins are rhomboid-shaped, with pointed sides, and their rear ends are concave and extend along the tail. The short tentacles are delicate, with small, narrow clubs. Its color is normally pale grey with many brown or purplish spots.[5]

Length is up to 21 cm and the maximum mantle length is 14 cm.[6]

Drawing.

Habitat

Alloteuthis subulata is usually associated with the water column above sandy and hard bottoms.

Biology

The males and females arrive together in inshore waters of the

demersal
mode of life.

In November, when they are 3 months old and about 3 cm in length, they move out of the North Sea, returning the following spring, by which time they will have attained a length of about 5 cm. The life expectancy is between 1 and 2 years.

The species feeds on small and juvenile fishes.

Fisheries

Alloteuthis subulata is normally taken as bycatch in trawl fisheries for other species throughout its range. In the Mediterranean Sea, the species is normally caught between 20 and 120 m depth over sandy-muddy substrates. Squid so caught may be marketed fresh and frozen. There are no separate statistics reported for this species, as catches are not reported separately from Alloteuthis media.[7]

References

  1. ^
    doi:10.2305/IUCN.UK.2019-2.RLTS.T163220A985815.en
    . Retrieved 3 October 2022.
  2. ^ a b Bieler R, Bouchet P, Gofas S, Marshall B, Rosenberg G, La Perna R, Neubauer TA, Sartori AF, Schneider S, Vos C, ter Poorten JJ, Taylor J, Dijkstra H, Finn J, Bank R, Neubert E, Moretzsohn F, Faber M, Houart R, Picton B, Garcia-Alvarez O, eds. (2022). "Alloteuthis subulata (Lamarck, 1798)". MolluscaBase. World Register of Marine Species. Retrieved 3 October 2022.
  3. ^ Herrmann, M. , Gonschior, H. and Piatkowski, U. (2001): Hydrographic changes push European common squid Alloteuthis subulata into Kiel Bay, western Baltic Sea, its easternmost area of distribution. ICES Annual Science Conference, Oslo, Norway, September 26–29, 2001.
  4. ^ "NBN Gateway - Interactive Map Tool". Archived from the original on 2016-11-04. Retrieved 2016-11-02.
  5. ^ "MarLIN - the Marine Life Information Network". Archived from the original on 2015-03-25. Retrieved 2012-02-28.
  6. ^ "Marine Species Identification Portal : Alloteuthis subulatus".
  7. ISBN 978-92-5-106720-8
    .
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