Cirrothauma magna

Cirrothauma magna, also known as the big-eye jellyhead,[2] is a species of deep-sea cirrate octopus that has been found in the Indian, Atlantic, and Pacific oceans. It is known from four damaged specimens.[3] Their shells are somewhat saddle-shaped. C. magna is the sister taxon of Cirrothauma murrayi, but can be readily distinguished by having large and well developed eyes (whereas C. murrayi is near blind).[4]

Cirrothauma magna
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Octopoda
Family: Cirroteuthidae
Genus: Cirrothauma
Species:
C. magna
Binomial name
Cirrothauma magna
(Hoyle, 1885)
Synonyms
  • Cirroteuthis magna Hoyle, 1885

Cirrothauma magna is likely the largest species of cirrate octopus, one female specimen measuring 1.7 m total length.[5] The animal has delicate, jelly-like flesh.[2]

References
  1. Lyons, G.; Allcock, L. (2014). "Cirrothauma magna". IUCN Red List of Threatened Species. 2014: e.T162939A955442. doi:10.2305/IUCN.UK.2014-3.RLTS.T162939A955442.en. Retrieved 19 November 2021.
  2. O'Shea, Steve (March 9, 2019). "Deep-sea finned Octopoda of New Zealand". Octopus News Magazine. Archived from the original on September 28, 2020.
  3. Vecchione, Michael; Young, Richard. "Cirrothuama magna". Tree of Life Web Project. Retrieved 12 March 2018.
  4. Vecchione, Michael; Young, Richard. "Cirrothauma". Tree of Life Web Project. Retrieved 12 March 2018.
  5. Collins, Martin A.; O'Dea, Mary; Henriques, Camila (April 2001). "A large Cirroteuthis magna (Cephalopoda: Cirroctopoda) caught on the Cape Verde Terrace (North Atlantic)". Journal of the Marine Biological Association of the United Kingdom. 81 (2): 357–358. doi:10.1017/S0025315401003915. ISSN 1469-7769. S2CID 87386612.
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