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Stranding and mortality of pelagic crustaceans in the western Indian Ocean
Romanov, E.V.; Potier, M.; Anderson, R.C.; Quod, J.-P.; Ménard, F.; Sattar, S.A.; Hogarth, P. (2015). Stranding and mortality of pelagic crustaceans in the western Indian Ocean, in: Sukhotin, A. et al. (Ed.) Proceedings of the 49th European Marine Biology Symposium September 8-12, 2014, St. Petersburg, Russia. Journal of the Marine Biological Association of the United Kingdom, 95(8): pp. 1677-1684. hdl.handle.net/10.1017/S002531541500096X
In: Sukhotin, A. et al. (Ed.) (2015). Proceedings of the 49th European Marine Biology Symposium September 8-12, 2014, St. Petersburg, Russia. Journal of the Marine Biological Association of the United Kingdom, 95(8). Cambridge University Press: Cambridge. 1517-1721 pp., more
In: Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Cambridge. ISSN 0025-3154, more
Peer reviewed article  

Available in Authors 
Document type: Conference paper

Keyword
    Marine

Authors  Top 
  • Romanov, E.V., more
  • Potier, M.
  • Anderson, R.C.
  • Quod, J.-P.
  • Ménard, F.
  • Sattar, S.A.
  • Hogarth, P.

Abstract
    Recent observations of unusual mass stranding and mortality of two Indian Ocean crustacean species, the swimming crab Charybdis smithii and the mantis shrimp Natosquilla investigatoris, are documented and analysed. Strandings of C. smithii were observed for the first time in the equatorial Indian Ocean, the main area of its pelagic distribution. Strandings of mantis shrimps are reported from throughout the western Indian Ocean; occurrences of mass stranding in the Maldives Archipelago mark an extension of the known range of N. investigatoris into the central Indian Ocean. Mortality of crabs probably represents a ‘catastrophic event’. In contrast, mantis shrimp strandings, which were always associated with a sudden increase of its biomass (‘blooms’), are apparently post-reproduction mortalities indicating potential semelparity for this species.

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