UPDATE ON THE SATELLITE TAGGING OF ATLANTIC AND MEDITERRANEAN SWORDFISH

This paper provides an update of the study on habitat use for swordfish, developed within the working plan of the Swordfish Species Group of ICCAT. A total of 26 miniPAT tags have been deployed so far in the North (n=13) and South Atlantic (n=9) and the Mediterranean (n=4). Data from eight tags was...

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Bibliographic Details
Main Authors: Rosa, Daniela, Garibaldi, Fulvio, Snodgrass, Derke, Orbesen, Eric, Santos, Catalina.C, Macías-López, Ángel David, Ortiz-de-Urbina-Gutiérrez, José María, Forselledo, Rodrigo, Miller, Philip, Domingo, Andrés, Brown, Craig, Coelho, Rui
Format: Article in Journal/Newspaper
Language:English
Published: 2022
Subjects:
Pesquerías
Satellite tagging
Centro Oceanográfico de Málaga
Xiphias gladius
Habitat use
Movement patterns
Atlantic
Mediterranean
fish
tagging
moon
thermocline
transmission
North Atlantic
Online Access:http://hdl.handle.net/10508/15960
http://hdl.handle.net/10261/325962
Description
Summary:This paper provides an update of the study on habitat use for swordfish, developed within the working plan of the Swordfish Species Group of ICCAT. A total of 26 miniPAT tags have been deployed so far in the North (n=13) and South Atlantic (n=9) and the Mediterranean (n=4). Data from eight tags was analysed for horizontal and vertical habitat use. These preliminary results showed swordfish moved in several directions, travelling considerable distances in both the North and South stocks. Swordfish spent most of the daytime in deeper waters with a mean of 540.8 m, being closer to the surface during nighttime (mean=78.3 m). The deepest dive recorded was of 1480 m. Regarding temperature, swordfish inhabited waters with temperatures ranging from 3.9ºC to 30.5ºC with a mean of 11.3ºC during daytime and 21.7ºC during nighttime. The main plan for the next phase of the project is to continue the tag deployment during 2022 in several regions of the Atlantic Ocean and Mediterranean Sea. Currently 11 tags are with the participating CPCs and nine tags are still to be attributed. NO

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