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Antarctic Science

Table of Contents - 2004 - Volume 16, Issue 02  


Discovery of the first known benthic invasive species in the Southern Ocean: the North Atlantic spider crab Hyas araneus found in the Antarctic Peninsula

MARCOS TAVARES a1 and GUSTAVO A. S. DE MELO a1
a1 Museu de Zoologia, Universidade de São Paulo, Av. Nazareth, 481, Ipiranga, 04263-000, São Paulo, Brazil, mdst@usp.br

Article author query
tavares m   [PubMed][Google Scholar] 
de melo g   [PubMed][Google Scholar] 

Abstract

The Southern Ocean around Antarctica is no longer free from invasive marine species. The North Atlantic spider crab Hyas araneus (Linnaeus, 1758) (Crustacea: Decapoda: Majidae) has been recorded for the first time from the Antarctic Peninsula. Isolated for at least 25 million years, the endemic Antarctic Southern Ocean marine fauna is now being exposed to human-mediated influx of exotic species. Invasive species and polar warming combined can foster the probability of arrival and colonization by non-indigenous species, with unpredictable consequences for the Antarctic marine biota.

(Received August 19 2003)
(Accepted December 5 2003)


Key Words: Antarctica; alien species; ballast water; Crustacea Decapoda; Polar warming.

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