Attributes / relations provided by
♦ 1Thorny Skate, Amblyraja radiata,
Life History and Habitat Characteristics, David B. Packer, Christine A. Zetlin, and Joseph J. Vitaliano, NOAA Technical Memorandum NMFS-NE-178 (2003)
♦ 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.
♦ 3Life history traits of sculpins in the eastern Bering Sea and Aleutian Islands, Todd T. TenBrink and Kerim Y. Aydin, NPRB Project 628 Final Report (2009)
♦ 4Little Skate, Leucoraja erinacea,
Life History and Habitat Characteristics, David B. Packer, Christine A. Zetlin, and Joseph J. Vitaliano, NOAA Technical Memorandum NMFS-NE-175 (2003)
♦ 5Smooth Skate, Malacoraja senta,
Life History and Habitat Characteristics, David B. Packer, Christine A. Zetlin, and Joseph J. Vitaliano, NOAA Technical Memorandum NMFS-NE-177 (2003)
♦ 6Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005).
Host-Parasite Database of the Natural History Museum, London