Stauroteuthis

Stauroteuthis
	Stauroteuthis syrtensis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Order:	Octopoda
Family:	Stauroteuthidae; Grimpe, 1916
Genus:	Stauroteuthis; Verrill, 1879
Species
	S. gilchristi (Robson, 1924) ; S. syrtensis Verrill, 1879 (type);
Synonyms
	Chunioteuthis Grimpe, 1916

Stauroteuthis is a genus of deepwater cirrate octopus, a cephalopod mollusk. This is the only genus in the family Stauroteuthidae, and only three species have been described in this genus.

The organisms live below 700 m (2,300 ft) water depth; although sometimes found as deep as 4 km (2.5 mi) underwater, they generally live at a water depth of around 2 km (1.2 mi).[1] They do not possess a radula.[1]

The stauroteuthids have the distinction of being one of the few bioluminescent octopuses; some of the muscle cells that control the suckers in most species have been replaced with photophores which are believed to fool prey by directing them towards the mouth.[2]

Species

Stauroteuthis gilchristi (Robson, 1924): Known from two localities in the south Atlantic, and other southern ocean locations (Macquarie Island, and Kerguelen).[1][3][4]
Stauroteuthis syrtensis Verrill, 1879: Widespread in the North Atlantic.[5] The population size of S. syrtensis is unknown.[6]
Stauroteuthis kengrahami Verhoeff, 2023: Known from a single specimen off eastern Australia.[4]

References

Collins, M. A.; Henriques, C. (August 2000). "A revision of the family Stauroteuthidae (Octopoda: Cirrata) with redescriptions of Stauroteuthis syrtensis and S. gilchristi". Journal of the Marine Biological Association of the UK. 80 (4): 685. doi:10.1017/S0025315400002514. S2CID 85406750.
Johnsen, S.; E.J. Balser; E.C. Fisher; E.A. Widder (1999). "Bioluminescence in the deep-sea cirrate octopod Stauroteuthis syrtensis Verrill (Mollusca: Cephalopoda)" (PDF). The Biological Bulletin. 197 (1): 26–39. doi:10.2307/1542994. JSTOR 1542994. PMID 28296499. Archived from the original (PDF) on 2011-03-05.
Stauroteuthis gilchristi. Tree of Life web project.
Verhoeff, Tristan Joseph (2023-07-20). "A new species of Stauroteuthis (Octopoda: Cirrata) and further novel cirrate octopods from Australian waters". Molluscan Research: 1–20. doi:10.1080/13235818.2023.2232534. ISSN 1323-5818. S2CID 260017318.
Stauroteuthis syrtensis. Tree of Life web project.
Stauroteuthis syrtensis Verrill, 1879. Encyclopedia of Life.

External links

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[revision-1] Collins, M. A.; Henriques, C. (August 2000). "A revision of the family Stauroteuthidae (Octopoda: Cirrata) with redescriptions of Stauroteuthis syrtensis and S. gilchristi". Journal of the Marine Biological Association of the UK. 80 (4): 685. doi:10.1017/S0025315400002514. S2CID 85406750.

[2] Johnsen, S.; E.J. Balser; E.C. Fisher; E.A. Widder (1999). "Bioluminescence in the deep-sea cirrate octopod Stauroteuthis syrtensis Verrill (Mollusca: Cephalopoda)" (PDF). The Biological Bulletin. 197 (1): 26–39. doi:10.2307/1542994. JSTOR 1542994. PMID 28296499. Archived from the original (PDF) on 2011-03-05.

[3] Stauroteuthis gilchristi. Tree of Life web project.

[:0-4] Verhoeff, Tristan Joseph (2023-07-20). "A new species of Stauroteuthis (Octopoda: Cirrata) and further novel cirrate octopods from Australian waters". Molluscan Research: 1–20. doi:10.1080/13235818.2023.2232534. ISSN 1323-5818. S2CID 260017318.

[5] Stauroteuthis syrtensis. Tree of Life web project.

[6] Stauroteuthis syrtensis Verrill, 1879. Encyclopedia of Life.