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)
♦ 2Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014).
Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
♦ 3Comparative feeding ecology of two sympatric rockfish congeners, Sebastes caurinus (copper rockfish) and S. maliger (quillback rockfish), D. J. Murie, Marine Biology (1995) 124: 341-353