Sepiola atlantica

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Sepiola atlantica
Sepiola atlantica.jpg
Live specimen of Sepiola atlantica from the Belgian continental shelf.
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Sepiolida
Family: Sepiolidae
Subfamily: Sepiolinae
Genus: Sepiola
Species: S. atlantica
Binomial name
Sepiola atlantica
Orbigny, 1839
(in Férussac & Orbigny, 1834–1848)

Sepiola atlantica, also known as the Atlantic bobtail, is a species of bobtail squid native to the northeastern Atlantic Ocean (65ºN to 35ºN), from Iceland, the Faroe Islands and western Norway to the Moroccan coast. There is a single record of this species from the Mediterranean Sea.[1]

Both sexes of S. atlantica grow to around 21 mm (0.83 in) in mantle length.[1]

The type specimen was collected in the Bay of Biscay and is deposited at the Muséum National d'Histoire Naturelle in Paris.[2]


During mating, the male typically approaches the female, grasping the ventral region of the female's mantle while using the dorsal arm to transfer the spermatophores to the female's mantle cavity. Mating typically lasts from 68 to 80 minutes. During this time, the female may change in color or pattern, while the male's coloration generally stays constant.[3]


  1. ^ a b Reid, A. & P. Jereb 2005. Family Sepiolidae. In: P. Jereb & C.F.E. Roper, eds. Cephalopods of the world. An annotated and illustrated catalogue of species known to date. Volume 1. Chambered nautiluses and sepioids (Nautilidae, Sepiidae, Sepiolidae, Sepiadariidae, Idiosepiidae and Spirulidae). FAO Species Catalogue for Fishery Purposes. No. 4, Vol. 1. Rome, FAO. pp. 153–203.
  2. ^ Current Classification of Recent Cephalopoda
  3. ^ Rodrigues, Marcelo; et al. (2009). "Mating behavior of the Atlantic bobtail squid Sepiola atlantica (Cephalopoda: Sepiolidae)" (PDF). Vie et Milieu. 

Further reading[edit]

  • (French) Adam, W. 1934. Notes sur les céphalopodes. IV. La variation de la radule chez Sepiola atlantica d'Orbigny 1839. Bull. Mus. Roy. Hist. Nat. de Belgique 10(24): 1-4.
  • (French) Boucaud-Camou, E. Les mucopolysaccharides dans le tube digestif de Sepiola atlantica d'Orbigny. Archives De Zoologie Expérimentale et Générale 108(2): 333-346.
  • Duncan, G. & P.B. Pynsent 1979. An analysis of the wave forms of photoreceptor potentials in the retina of the cephalopod Sepiola atlantica. Journal of Physiology 288: 171-188.

External links[edit]