| Cirrothauma magna | |
|---|---|
| |
| Conservation status | |
 Data Deficient (IUCN 3.1) | |
Scientific 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 | |
| |
Cirrothauma magna, also known as the big-eye jellyhead, 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. 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).
Cirrothauma magna is likely the largest species of cirrate octopus, one female specimen measuring 1.7 m total length. The animal has delicate, jelly-like flesh.
References
- 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.
- ^ O'Shea, Steve (March 9, 2019). "Deep-sea finned Octopoda of New Zealand". Octopus News Magazine. Archived from the original on September 28, 2020.
- Vecchione, Michael; Young, Richard. "Cirrothuama magna". Tree of Life Web Project. Retrieved 12 March 2018.
- Vecchione, Michael; Young, Richard. "Cirrothauma". Tree of Life Web Project. Retrieved 12 March 2018.
- 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.
| Taxon identifiers | |
|---|---|
| Cirrothauma magna | |
| Cirroteuthis magna | |
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