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)
♦ ²ROLE OF THE THREE-SPINED STICKLEBACK GASTEROSTEUS ACULEATUS L. IN THE FOOD ECOLOGY OF THE SPOONBILL PLATALEA LEUCORODIA, JAN H. KEMPER, Behaviour 132 (15-16) (1995), p. 1285-1299