Southern Giant Octopus

From Wikipedia, the free encyclopedia

Southern Giant Octopus
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Octopoda
Family: Octopodidae
Genus: Enteroctopus
Species: E. magnificus
Binomial name
Enteroctopus magnificus
(Villanueva, Sanchez & Compagno, 1992)
Distribution of E. magnificus
Distribution of E. magnificus
Synonyms
  • Octopus magnificus
    Villanueva, Sanchez & Compagno, 1992

The Southern Giant Octopus (Enteroctopus magnificus) is a large octopus in the genus Enteroctopus. It is native to the waters off Namibia and South Africa.

Contents

[edit] Description

E. magnificus bears the distinctive characteristics of the genus Enteroctopus, including longitudinal folds on the body and large, paddle-like papillae. E. magnificus is a large octopus, reaching total lengths of up to 1.8 m[1] and a mass of 11.4 kg.[2]

[edit] Range and habitat

E. magnificus occurs from Namibia to Port Elizabeth, South Africa. It is found primarily on sand and mud flats from shallow subtidal areas to about 1000 m depth.[1]

[edit] Predators

E. magnificus is predated on by the South African fur seal (Arctocephalus pusillus pusillus) and the Leafscale gulper shark (Centrophorus squamosus).[2]

[edit] Diet

Like many octopuses, E. magnificus is a generalist predator. The chief food source for this octopus is the deep-sea portunid crab Bathynectes piperitus. Other major prey items include the Cape hagfish (Myxine capensis), the crab species Pontophilus gracilis, and hermit crabs in the Parapagurus genus.[2]

[edit] Fisheries

E. magnificus is only collected by trawl and in lobster pots. Harvest of this octopus is small, mainly as a finfish trawl fisheries by-catch.[1]

[edit] References

  1. ^ a b c Norman, M. (2003). Cephalopods: A World Guide. ConchBooks: Heckenhaim, Germany. pp. 213–216.
  2. ^ a b c Villanueva, R. (1993). Diet and mandibular growth of Octopus magnificus (Cephalopoda). South African Journal of Marine Science 13: 121–126.

[edit] External links