Attributes / relations provided by
♦ ¹Food Web Relationships of Northern Puget Sound and the Strait of Juan de Fuca : a Synthesis of the Available Knowledge, Charles A. Simenstad, Bruce S. Miller, Carl F. Nyblade, Kathleen Thornburgh, and Lewis J. Bledsoe, EPA-600 7-29-259 September 1979
♦ ²TROPHIC INTERACTIONS OF BATHYRAJA TRACHURA AND SYMPATRIC FISHES, Mariah Dawson Boyle, Masters Thesis, California State University Monterey Bay, 2010