Attributes / relations provided by
♦ ¹Diet and trophic ecology of skates in the Gulf of Alaska (Raja and Bathyraja spp.): ecological information for ecosystem–based management of demersal resources, David A. Ebert, Joseph J. Bizzarro, Simon C. Brown, Mariah D. Boyle, and Gregor M. Cailliet, NPRB Project 621 Final Report (2008)
♦ ²The trophic role of Atka mackerel, Pleurogrammus monopterygius, in the Aleutian Islands area, Mei-Sun Yang, Fish. Bull. 97(4):1047-1057 (1999)