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Potential impacts of fouling and planktonic cnidarians on farmed sea bass in the Western Mediterranean Sea

AutorBosch Belmar, Mar ; Isern, Maria Mercè; Taurisano, Valentina; Milisenda, Giacomo; Piraino, Stefano; López, Mariló; Fuentes, Veronica
Fecha de publicación18-sep-2014
EditorInternational Council for the Exploration of the Sea
CitaciónICES Annual Science Conference (2014)
ResumenIn recent years, marine aquaculture farms across European seas have been repeatedly affected by fish mortalities following the occurrence of episodic high densities of gelatinous cnidarian zooplankters. Due to their stinging cells and venoms, these jellyfish species may severely damage fish gills. Gill disorders were observed in sea bass (Dicentrarchus labrax) fish farms along the Spanish Mediterranean coast. To investigate the potential for cnidarian-related pathologies affecting caged fish, two aquaculture facilities have been monitored monthly since December 2011. Data from the first two years of observations show significant, positive relationships between the densities of planktonic hydrozoans and fish mortality rate. Ongoing histological analysis of fish gills will clarify whether jellyfish envenomations may impact caged fish by gill damage and/or secondary infections. This work will provide baseline information to develop methodological action plans and protocols to prevent and mitigate the impacts of jellyfish proliferations on finfish aquaculture farms
DescripciónInternational Council for the Exploration of the Sea Annual Science Conference (ICES ASC 2014), Sustainability in a changing ocean, 15-19 September 2014, La Coruña.-- 2 pages
Versión del editorhttp://www.ices.dk/news-and-events/asc/ASC-2014/Programme/Pages/default.aspx
Aparece en las colecciones: (ICM) Comunicaciones congresos
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