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A Pacific grenadier Coryphaenoides acrolepis in the south-west Atlantic and environmental changes in the Falkland deep seas

Published online by Cambridge University Press:  03 December 2013

Vladimir Laptikhovsky ,
Michelle R. Gaither  and
Alex Black
Vladimir Laptikhovsky*
Affiliation:
Falkland Islands Government Fisheries Department, PO Box 598, FIPASS, Stanley, FIQQ 1ZZ, Falkland Islands
Michelle R. Gaither
Affiliation:
California Academy of Sciences, Section of Ichthyology, 55 Music Concourse Drive, San Francisco, CA94118, USA
Alex Black
Affiliation:
Falkland Islands Government Fisheries Department, PO Box 598, FIPASS, Stanley, FIQQ 1ZZ, Falkland Islands
*
Correspondence should be addressed to: V. Laptikhovsky, CEFAS, Pakefield Road, Lowestoft, NR33 0HT, UK email: vladimir.laptikhovsky@cefas.co.uk
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Abstract

One individual of the Pacific grenadier, Coryphaenoides acrolepis, was recorded for the first time in the South Atlantic (54°00′S 56°52′W–53°57′S 56°44′W, depth range 1540–1860 m). The species is endemic to the North Pacific, and its appearance off the Falkland Islands, as with some other endemic North Pacific species found there recently, might be possibly explained by changes in water circulation in deep seas. During the last decade deep waters around the islands have become less saline and warmer, which is in agreement with respective changes in water masses in Antarctica.

Keywords

Macrouridaebiogeographybiological invasiondeep seasclimate changes
Type
Research Article
Information
Marine Biodiversity Records , Volume 6 , 2013 , e126
Copyright
Copyright © Marine Biological Association of the United Kingdom 2013 

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Footnotes

2

Present address: CEFAS, Pakefield Road, Lowestoft, NR33 0HT, UK

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