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California Octopus

Octopus californicus (Berry 1911)

Octopus californicus

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Octopus californicus (commonly the North Pacific bigeye octopus or orange bigeye octopus)[2][3] is an octopus in the family Octopodidae.[4] It is provisionally assigned to the genus Octopus, but some scholars have concluded it belongs in other genuses.[5][6] O. californicus was first documented by S. Stillman Berry in 1911.[7]

Description

Octopus californicus is medium-sized[8] and has a body up to 14 cm in diameter, with arms up to 30.5 cm in length;[9] it has a mantle length of around 140 millimeters[8] and maximum total length of 40 centimeters.[10] It is soft-skinned,[11] with large eyes, a rough body, and star shaped patches on the skin.[5] Its diet is composed of fish, shrimp, and crabs.[9]

Reproduction

The eggs of O. californicus incubate for a maximum of ten months. They hatch looking like miniature adults, with no juvenile stage.[1] Females spawn around 100 to 500 eggs at once.[10]

Distribution

Octopus californicus live in the northeastern Pacific Ocean, between Baja California and the Gulf of Alaska. The species has also been reported near Russia[8] and in the Sea of Japan.[11] They live between 100 and 900 meters, making them a deep sea species.[9]

References

  1. ^ a b Khen, Adi; McCormick, Lillian R.; Steinke, Christine A.; Rouse, Greg W.; Zerofski, Phil J. (November 2022). "First known observations of brooding, development, and hatching of fertilized eggs for the North Pacific bigeye octopus, Octopus californicus". Ecology and Evolution. 12 (11). doi:10.1002/ece3.9481. ISSN 2045-7758. PMC 9631326.
  2. ^ "Octopus californicus (Berry, 1911)". Integrated Taxonomic Information System. Retrieved 2022-11-10.
  3. ^ Switzer, Ryan D.; Parnell, P. Ed; Leichter, James L.; Driscoll, Neal W. (1999). "The effects of tectonic deformation and sediment allocation on shelf habitats and megabenthic distribution and diversity in southern California". Estuarine, Coastal and Shelf Science. 169: 25–37. doi:10.1016/j.ecss.2015.11.020. ISSN 0272-7714.
  4. ^ "WoRMS - World Register of Marine Species - Octopus californicus (S. S. Berry, 1911)". World Register of Marine Species. Retrieved 2022-11-10.
  5. ^ a b Díaz-Santana-Iturrios, Mariana; Salinas-Zavala, César Augusto; García-Rodríguez, Francisco Javier; Granados-Amores, Jasmín (2019-11-29). "Taxonomic assessment of species of the genus Octopus from the northeastern Pacific via morphological, molecular and morphometric analyses". PeerJ. 7: e8118. doi:10.7717/peerj.8118. ISSN 2167-8359. S2CID 208639451.
  6. ^ Ibáñez, Christian M.; Fenwick, Mark; Ritchie, Peter A.; Carrasco, Sergio A.; Pardo-Gandarillas, M. Cecilia (2020). "Systematics and Phylogenetic Relationships of New Zealand Benthic Octopuses (Cephalopoda: Octopodoidea)". Frontiers in Marine Science. 7. doi:10.3389/fmars.2020.00182. ISSN 2296-7745.
  7. ^ Robson, G. C. (1929-07-27). A Monograph of the recent Cephalopoda based on the collections in the British Museum (Natural History). Vol. 1: Octopodinae. London, UK: Trustees of the British Museum. doi:10.5962/bhl.title.106032. S2CID 4120182.
  8. ^ a b c Jereb, Patrizia; Roper, Clyde F. E.; Norman, Mark D.; Finn, Julian K., eds. (2016). Cephalopods of the world: An Annotated and Illustrated Catalogue of Cephalopod Species Known to Date. Volume 3: Octopods and Vampire Squids (PDF). FAO Species Catalogue for Fishery Purposes. Rome, Italy: Food and Agriculture Organization of the United Nations. ISBN 978-92-5-107989-8.
  9. ^ a b c "North Pacific bigeye octopus". Monterey Bay Aquarium. Retrieved 2022-11-17.
  10. ^ a b Ormseth, Olav A.; Conners, M. Elizabeth (2017-11-01). "Assessment of the Octopus Stock Complex in the Gulf of Alaska". NOAA Institutional Repository. Retrieved 2022-11-17.
  11. ^ a b Gillespie, G. E.; Parker, G.; Morrison, J. (1998). "A Review of Octopus Fisheries Biology and British Columbia Octopus Fisheries" (PDF). Fisheries and Oceans Canada Library. Retrieved 2022-11-21.
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Octopus californicus: Brief Summary

provided by wikipedia EN

Octopus californicus (commonly the North Pacific bigeye octopus or orange bigeye octopus) is an octopus in the family Octopodidae. It is provisionally assigned to the genus Octopus, but some scholars have concluded it belongs in other genuses. O. californicus was first documented by S. Stillman Berry in 1911.

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Wikipedia authors and editors
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visit source
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Habitat

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deep shelf to slope

Reference

van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO).

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Jacob van der Land [email]