Attributes / relations provided by
♦ ¹Feeding and Food Consumption by the Barents Sea Skates, A.V. Dolgov, J. Northw. Atl. Fish. Sci., Vol. 35: 495–503
♦ ²Feeding Habits of Fish Species Distributed on the Grand Bank, Concepción González1, Xabier Paz, Esther Román, and María Hermida, NAFO SCR Doc. 06/31, Serial No. N5251 (2006)
♦ ³Distribution and feeding ecology of Raja radiata in the northeastern North Sea and Skagerrak (Norwegian Deep), J. E. Skjæraasen, and O. A. Bergstad, ICES Journal of Marine Science, 57: 1249–1260. 2000