Cyanagraea

Cyanagraea praedator
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Malacostraca
Order: Decapoda
Infraorder: Brachyura
Family: Bythograeidae
Genus: Cyanagraea
de Saint Laurent, 1984
Species: C. praedator
Binomial name
Cyanagraea praedator
de Saint Laurent, 1984

Cyanagraea praedator is a species of crab that lives on hydrothermal vents, and the only species in the genus Cyanagraea.[1][2]

It is found at depths of 2,535–2,630 m (8,317–8,629 ft) on the East Pacific Rise,[3] where it lives "in the upper part of black smoker chimneys".[4] Its haemocyanin has a strong affinity for oxygen, and displays a significant Bohr effect, which is unaffected by lactic acid.[5]

Cyanagraea praedator is "by far the largest" species in the family Bythograeidae, growing to a maximum carapace size of 123.0 mm × 74.8 mm (4.84 in × 2.94 in).[3]

The leech Bathybdella sawyeri has been observed attached to C. praedator.[6]


References

  1. ↑ Peter Davie (2011). "Cyanagraea Saint Laurent, 1984". World Register of Marine Species. Retrieved November 27, 2011.
  2. ↑ Peter K. L. Ng, Danièle Guinot & Peter J. F. Davie (2008). "Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world" (PDF). Raffles Bulletin of Zoology 17: 1–286.
  3. ↑ 3.0 3.1 Colin McLay (2007). "New crabs from hydrothermal vents of the Kermadec Ridge submarine volcanoes, New Zealand: Gandalfus gen. nov. (Bythograeidae) and Xenograpsus (Varunidae) (Decapoda: Brachyura)" (PDF). Zootaxa 1524: 1–22.
  4. ↑ Fabienne Chausson, Christopher R. Bridges, Pierre-Marie Sarradin, Brian N. Green, Ricardo Riso, Jean-Claude Caprais & François H. Lallier (2001). "Structural and functional properties of hemocyanin from Cyanagraea praedator, a deep-sea hydrothermal vent crab". Proteins: Structure, Function, and Bioinformatics 45 (4): 351–359. doi:10.1002/prot.10014. PMID 11746683.
  5. ↑ Stéphane Hourdez & François H. Lallier (2007). Ricardo Amils, Cynan Ellis-Evans & Helmut Hinghofer-Szalkay, ed. "Life in Extreme Environments, Part II" (PDF). Reviews in Environmental Science and Biotechnology (Springer) 6 (1–3): 143–159 [297–313]. doi:10.1007/s11157-006-9110-3. ISBN 978-1-4020-6284-1. |chapter= ignored (help)
  6. ↑ Eugene M. Burreson & Michel Segonzac (2006). "Morphological variability of Bathybdella sawyeri (Hirudinida: Piscicolidae) from hydrothermal vents on the Galápagos Rift and the South East Pacific Rise" (PDF excerpt). Zootaxa 1286: 15–21.

Further reading

  • Michèle de Saint Laurent (1984). "Crustacès dècapods d'un site hydrothermal actif de la dorsale du Pacific oriental (13° Nord), en provenance de la campagne française Biocyatherm". Comptes Rendus de l'Académie des Sciences de Paris. sèrie III 299: 355–360.
  • Robert R. Hessler & Joel W. Martin (1989). "Austinograea williamsi, new genus, new species, a hydrothermal vent crab (Decapoda: Bythograeidae) from the Mariana Back-Arc Basin, Western Pacific". Journal of Crustacean Biology 9 (4): 645–661. JSTOR 1548594.


External links

External identifiers for Cyanagraea
Encyclopedia of Life 4270793
NCBI 206408
WoRMS 440290
Also found in: Wikispecies