Attributes / relations provided by
♦ ¹Distribution 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
♦ ²Feeding habits and trophic levels of Mediterranean fish, Konstantinos I. Stergiou & Vasiliki S. Karpouzi, Reviews in Fish Biology and Fisheries 11: 217–254, 2002
♦ ³Food of Northwest Atlantic Fishes and Two Common Species of Squid, Ray E. Bowman, Charles E. Stillwell, William L. Michaels, and Marvin D. Grosslein, NOAA Technical Memorandum NMFS-NE-155 (2000)
♦ ⁴Feeding ecology of demersal elasmobranchs from the shelf and slope off the Balearic Sea (western Mediterranean), MARIA VALLS, ANTONI QUETGLAS, FRANCESC ORDINES and JOAN MORANTA, Scientia Marina 75(4) December 2011, 633-639, Barcelona (Spain)
♦ ⁵Feeding ecology of deep fishes in the Le Danois Bank (Cantabrian Sea, North Spain), Preciado, I., Cartes, J., Velasco, F., Olaso, I., Serrano, A., Frutos, I., Sánchez, F., nternational Symposium on Oceanography of the Bay of Biscay (Vigo, Spain) (2006)