Octopus cyanea (English Wikipedia)

Hanlon, Roger T.; Messenger, John B. (1998). Cephalopod Behaviour. Cambridge University Press. p. 38. ISBN 978-0-521-64583-6.
Evenhuis, N. L.; Eldredge, Lucius G. (2004). Natural History of Nihoa and Necker Islands. Bishop Museum bulletin in cultural and environmental studies 1. Bishop Museum Press. pp. 154–155. ISBN 9781581780291.
Pukui, Mary Kawena; Elbert, Samuel H. (1986) [1957]. "he'e // he'e mākoko // he'e pūloa". Hawaiian Dictionary: Hawaiian-English English-Hawaiian. Bishop Museum bulletin in cultural and environmental studies 1 (Revised and Enlarged ed.). University of Hawaii Press. p. 63. ISBN 9780824807030.

doi.org (Global: 2^nd place; English: 2^nd place)

Allcock, L.; Taite, M.; Headlam, J.; Allen, G. (2018). "Octopus cyanea". IUCN Red List of Threatened Species. 2018 e.T163055A967286. doi:10.2305/IUCN.UK.2018-2.RLTS.T163055A967286.en. Retrieved 16 February 2022.
Mather, Jennifer A.; Mather, D. Lynn (2004). "Apparent movement in a visual display: the 'passing cloud' of Octopus cyanea (Mollusca: Cephalopoda)". Journal of Zoology. 263 (1): 89–94. doi:10.1017/S0952836904004911.
Chung, Wen-Sung; Kurniawan, Nyoman D.; Marshall, N. Justin (November 2021). "Comparative brain structure and visual processing in octopus from different habitats". Current Biology. 32 (1): 97–110.E4. doi:10.1016/j.cub.2021.10.070. PMID 34798049.
Vail, Alexander L.; Manica, Andrea; Bshary, Redouan (2013). "Referential gestures in fish collaborative hunting". Nature Communications. 4 (1): 1765. Bibcode:2013NatCo...4.1765V. doi:10.1038/ncomms2781. PMID 23612306.
Sampaio, Eduardo; Seco, Martim Costa; Rosa, Rui; Gingins, Simon (2021). "Octopuses punch fishes during collaborative interspecific hunting events". Ecology. 102 (3): e03266. doi:10.1002/ecy.3266. ISSN 1939-9170.
van Heukelem, William F. (1973). "Growth and life-span of Octopus cyanea (Mollusca: Cephalopoda)". Journal of Zoology. 169 (3): 299–315. doi:10.1111/j.1469-7998.1973.tb04559.x.
Hanlon, Roger T.; Forsythe, John W. (March 2008). "Sexual cannibalism by Octopus cyanea on a Pacific coral reef". Marine and Freshwater Behaviour and Physiology. 41 (1): 19–28. doi:10.1080/10236240701661123. S2CID 83800950.
Edsinger, Eric (2020). "Social tolerance in Octopus laqueus—A maximum entropy model". PLOS ONE. 15 (6) e0233834. Bibcode:2020PLoSO..1533834E. doi:10.1371/journal.pone.0233834. PMC 7286511. PMID 32520975.

eol.org (Global: 2,925^th place; English: 2,776^th place)

"Octopus cyanea:Big blue octopus". Encyclopedia of Life. Retrieved 1 May 2017.

harvard.edu (Global: 18^th place; English: 17^th place)

ui.adsabs.harvard.edu

Vail, Alexander L.; Manica, Andrea; Bshary, Redouan (2013). "Referential gestures in fish collaborative hunting". Nature Communications. 4 (1): 1765. Bibcode:2013NatCo...4.1765V. doi:10.1038/ncomms2781. PMID 23612306.
Edsinger, Eric (2020). "Social tolerance in Octopus laqueus—A maximum entropy model". PLOS ONE. 15 (6) e0233834. Bibcode:2020PLoSO..1533834E. doi:10.1371/journal.pone.0233834. PMC 7286511. PMID 32520975.

iucnredlist.org (Global: 88^th place; English: 160^th place)

Allcock, L.; Taite, M.; Headlam, J.; Allen, G. (2018). "Octopus cyanea". IUCN Red List of Threatened Species. 2018 e.T163055A967286. doi:10.2305/IUCN.UK.2018-2.RLTS.T163055A967286.en. Retrieved 16 February 2022.

marinebio.org (Global: low place; English: low place)

"Day Octopuses, Octopus cyanea". MarineBio. Archived from the original on 9 November 2017. Retrieved 1 May 2017.

marinespecies.org (Global: 973^rd place; English: 894^th place)

Bouchet, Philippe (2010). "Octopus cyanea Gray, 1849". WoRMS. World Register of Marine Species. Retrieved 26 April 2017.

montereybayaquarium.org (Global: low place; English: low place)

"Day octopus". Monterey Bay Aquarium. Retrieved 26 April 2017.

nationalgeographic.com (Global: 344^th place; English: 296^th place)

"Why do octopus punch fish? Science has a compelling theory". Animals. 2025-12-29. Retrieved 2025-12-29.

nih.gov (Global: 4^th place; English: 4^th place)

pubmed.ncbi.nlm.nih.gov

Chung, Wen-Sung; Kurniawan, Nyoman D.; Marshall, N. Justin (November 2021). "Comparative brain structure and visual processing in octopus from different habitats". Current Biology. 32 (1): 97–110.E4. doi:10.1016/j.cub.2021.10.070. PMID 34798049.
Vail, Alexander L.; Manica, Andrea; Bshary, Redouan (2013). "Referential gestures in fish collaborative hunting". Nature Communications. 4 (1): 1765. Bibcode:2013NatCo...4.1765V. doi:10.1038/ncomms2781. PMID 23612306.
Edsinger, Eric (2020). "Social tolerance in Octopus laqueus—A maximum entropy model". PLOS ONE. 15 (6) e0233834. Bibcode:2020PLoSO..1533834E. doi:10.1371/journal.pone.0233834. PMC 7286511. PMID 32520975.

ncbi.nlm.nih.gov

Edsinger, Eric (2020). "Social tolerance in Octopus laqueus—A maximum entropy model". PLOS ONE. 15 (6) e0233834. Bibcode:2020PLoSO..1533834E. doi:10.1371/journal.pone.0233834. PMC 7286511. PMID 32520975.

sciencefocus.com (Global: low place; English: 8,501^st place)

"Octopuses are now punching fish – and we have the footage to prove it". BBC Science Focus Magazine. 2024-09-23. Retrieved 2025-12-29.

sealifebase.org (Global: low place; English: low place)

"Octopus cyanea: Big blue octopus". SeaLifeBase. Retrieved 26 April 2017.

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

Hanlon, Roger T.; Forsythe, John W. (March 2008). "Sexual cannibalism by Octopus cyanea on a Pacific coral reef". Marine and Freshwater Behaviour and Physiology. 41 (1): 19–28. doi:10.1080/10236240701661123. S2CID 83800950.

si.edu (Global: 340^th place; English: 295^th place)

mnh.si.edu

"Current Classification of Recent Cephalopoda" (PDF). Archived from the original (PDF) on 2006-01-01. Retrieved 2007-04-27.

waikikiaquarium.org (Global: low place; English: low place)

"Octopus". Waikīkī Aquarium. 2013-11-21. Retrieved 14 September 2021.

web.archive.org (Global: 1^st place; English: 1^st place)

"Current Classification of Recent Cephalopoda" (PDF). Archived from the original (PDF) on 2006-01-01. Retrieved 2007-04-27.
"Day Octopuses, Octopus cyanea". MarineBio. Archived from the original on 9 November 2017. Retrieved 1 May 2017.

wiley.com (Global: 222^nd place; English: 297^th place)

onlinelibrary.wiley.com

Sampaio, Eduardo; Seco, Martim Costa; Rosa, Rui; Gingins, Simon (2021). "Octopuses punch fishes during collaborative interspecific hunting events". Ecology. 102 (3): e03266. doi:10.1002/ecy.3266. ISSN 1939-9170.

worldcat.org (Global: 5^th place; English: 5^th place)

search.worldcat.org

Sampaio, Eduardo; Seco, Martim Costa; Rosa, Rui; Gingins, Simon (2021). "Octopuses punch fishes during collaborative interspecific hunting events". Ecology. 102 (3): e03266. doi:10.1002/ecy.3266. ISSN 1939-9170.
New Scientist. Reed Business Information. 3 November 1983. pp. 333–334. ISSN 0262-4079.

Octopus cyanea (English Wikipedia)

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