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research
Impact of a mouth parasite in a marine fish differs between geographical areas
Authors
Bandelt
Barson
+70 more
Beerli
Beerli
Blanchet
Boots
Brooks
Brown
COCK VAN OOSTERHOUT
Cornell
Day
Day
De Meeus
Estoup
Excoffier
Fogelman
Folmer
Franch
Frank
Frank
Gandon
Gandon
Gandon
Gandon
Garrey
Gassman
Gomulkiewicz
Goñi
Hendry
Hochberg
Horton
Horton
Ketmaier
Kohler
Kraljevik
Kuparinen
Lloret
MARIA SALA-BOZANO
Mennerat
Miller
Miller
Mladineo
Muirhead
Møller
Møller
Nagasawa
Nielsen
Nuismer
Paterson
Petit
Raymond
Rozas
Räsänen
Sala-Bozano
Sala-Bozano
Sala-Bozano
Sandland
Schierup
Schioedte
Schwarzenbach
Simkova
STEFANO MARIANI
Suau
Tamura
Thompson
Thompson
van Oosterhout
van Oosterhout
van Oosterhout
Wild
Wolinska
Zibiden
Publication date
28 February 2012
Publisher
'Wiley'
Doi
Cite
Abstract
Considerable variation exists in parasite virulence and host tolerance which may have a genetic and/or environmental basis. In this article, we study the effects of a striking, mouth-dwelling, blood-feeding isopod parasite (Ceratothoa italica) on the life history and physiological condition of two Mediterranean populations of the coastal fish, Lithognathus mormyrus. The growth and hepatosomatic index (HSI) of fish in a heavily human-exploited population were severely impacted by this parasite, whereas C. italica showed negligible virulence in fish close to a marine protected area. In particular, for HSI, the parasite load explained 34.4% of the variation in HSI in the exploited population, whereas there was no significant relationship (0.3%) between parasite load and HSI for fish in the marine protected area. Both host and parasite populations were not differentiated for neutral genetic variation and were likely to exchange migrants. We discuss the role of local genetic adaptation and phenotypic plasticity, and how deteriorated environmental conditions with significant fishing pressure can exacerbate the effects of parasitism. © 2012 The Linnean Society of London, Biological Journal of the Linnean Society, 2012, 105, 842–852
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oai:ueaeprints.uea.ac.uk:41582
Last time updated on 02/05/2013
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info:doi/10.1111%2Fj.1095-8312...
Last time updated on 05/06/2019