Attributes / relations provided by
♦ ¹Feeding habits and trophic levels of Mediterranean fish, Konstantinos I. Stergiou & Vasiliki S. Karpouzi, Reviews in Fish Biology and Fisheries 11: 217–254, 2002
♦ ²Feeding 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)
♦ ³Predator-Prey Relationships and Food Sources of the Skagerrak Deep-Water Fish Assemblage, O. A. Bergstad, Å. D. Wik and Ø. Hildre, J. Northw. Atl. Fish. Sci., Vol. 31, 2003, pp. 165-180
♦ 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)