Attributes / relations provided by
♦ ¹A balanced model of the food web of the Ross Sea, Antarctica, M.H. Pinkerton, S.M. Hanchet, J. Bradford-Grieve, CCAMLR Science, Vol. 17 (2010)
♦ ²Diet analysis of Pacific sardine (Sardinops sagax) off the west coast of Vancouver Island, British Columbia from 1997 to 2008, Gordon McFarlane, Jacob Schweigert, Jackie Detering and Vanessa Hodes, Pacific Biological Station, Fisheries & Oceans Canada