Attributes / relations provided by
♦ ¹Food 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)
♦ ²Feeding 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)