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)
♦ ²Diet of Harp Seals (Phoca groenlandica) in Divisions 2J and 3KL During 1991–93, J. W. Lawson, G. B. Stenson and D. G. McKinnon, NAFO Sci. Coun. Studies, 21: 143–154 (1994)