Black seabream Spondyliosoma cantharus is widely distributed in the eastern Atlantic from Scandinavia to Namibia, around the Madeira, Azores, Cape Verde and Canary Islands, as well as in the Mediterranean Sea and the western Black Sea (Russell et al., 2014). The stock structure is unknown and no assessment is known to be conducted thus a management unit is considered within English Channel and Celtic Sea (Pawson, 1995).