Longfin Inshore Squid

Longfin Inshore Squid
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Order:	Teuthida
Family:	Loliginidae
Genus:	Doryteuthis
Subgenus:	Amerigo
Species:	D. pealeii
Binomial name
Doryteuthis pealeii (Lesueur, 1821)
Synonyms
Loligo pallida Verrill, 1873 Loligo pealeii Lesueur, 1821

The Longfin Inshore Squid (Doryteuthis pealeii) is a species of squid of the family Loliginidae. The Longfin Inshore Squid is found in the North Atlantic, schooling in continental shelf and slope waters from Newfoundland to the Gulf of Venezuela. It is commercially exploited, especially in the range from the Southern Georges Bank to Cape Hatteras.

Gladius

The Longfin Inshore Squid spawns year-round and lives for less than one year. Individuals hatched in summer generally grow more rapidly than those hatched in winter due to the warmer temperature of the water. The species presents sexual dimorphism, with most males growing faster and reaching larger sizes than females. The dorsal-mantle length of some males can reach 50 cm, although most squids commercially harvested are smaller than 30 cm long.

This species is a model organism in neuroscience and was used by Andrew Huxley and Alan Hodgkin in their studies on axons. They are also used for research on replicating their camouflage abilities due to the chromatophores in their skin, which reflect a different color depending on the angle at which the light is hitting them.

References

• Jacobson, L.D. 2005. Essential Fish Habitat Source Document: Longfin Inshore Squid, Loligo pealeii, Life History and Habitat Characteristics.PDF (1.02 MiB) NOAA Technical Memorandum NMFS-NE-193.
• Vecchione, M., E. Shea, S. Bussarawit, F. Anderson, D. Alexeyev, C.-C. Lu, T. Okutani, M. Roeleveld, C. Chotiyaputta, C. Roper, E. Jorgensen & N. Sukramongkol. (2005). Systematics of Indo-West Pacific loliginids.PDF Phuket Marine Biological Center Research Bulletin 66: 23–26.

Further reading

• Williams, L. W. 1910. The anatomy of the common squid: Loligo pealii, Lesueur. Leiden, 92 pp.

External links

• CephBase: Longfin Inshore Squid

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