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)
♦ ²Diet of minke whales Balaenoptera acutorostrata in Scottish (UK) waters with notes on strandings of this species in Scotland 1992-2002, G.J. Pierce, M.B. Santos, R.J. Reid, I.A.P. Patterson and H.M. Ross, J. Mar. Biol. Ass. U.K. (2004), 84, 1241-1244