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
♦ ²Predator-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