Cephalopods in shelf and slope Mauritanian waters during Spanish-Mauritanian oceanographic cruises (2007-2010)
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This poster presents the results of four Spanish-Mauritanian oceanographic cruisers on Mauritanian continental shelf and slope. Cephalopod specimens were collected in 281 bottom-trawling stations carried out between 2007 and 2010. Cephalopods were separated and preliminary identified onboard. Quantitative data of abundance and weight were recorded for each species. Representative cephalopods subsample were fixed and preserved in 4% formaldehyde for further identification using taxonomic keys and specific literature. A total of 16,036 cephalopods (1795 kg) were caught in 281 trawl stations (96.6% of sampled locations). Forty-nine species belonging to 20 families were identified. The maximum numerical abundances corresponded to the Families Ommastrephidae (71.1%), Loliginidae (7.3%), Octopodidae (6.2%) and Sepiidae (5.3%). Ommastrephidae, Loliginidae and Octopodidae were also the dominant families in weight. The highest abundances were observed close to the coast in deep shelf ...
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