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)
♦ ²Daily ration and feeding periodicity of some fishes off the coast of Namibia, E. Macpherson, Mar. Ecol. Prog. Ser 26: 253-260, 1985