Attributes / relations provided by
♦ ¹Diet comparison of four ray species (Raja clavata, Raja brachyura, Raja montagui and Leucoraja naevus) caught along the Portuguese continental shelf, Inês Farias, Ivone Figueiredo, Teresa Moura, Leonel Serrano Gordo, Ana Neves and Bárbara Serra-Pereira, Aquat. Living Resour. 19, 105–114 (2006)
♦ ²Feeding pattern of the kingklip (Genypterus capensis)and its effect on the hake (Merluccius capensis) resource off the coast of Namibia, E. Macpherson, Marine Biology 78, 105-112 (1983)