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)
♦ ²PRELIMINARY REPORT FROM A COMPARATIVE STUDY OF THE DIET OF FOUR GADOID FISHES IN A FJORD OF WESTERN NORWAY, A.G. Vea Salvanes, International Council for the Exploration of the Sea, C.M. 1986/G: 71, Demersal Fish Committee