Attributes / relations provided by
♦ 1Frimpong, E.A., and P. L. Angermeier. 2009.
FishTraits: a database of ecological and life-history traits of freshwater fishes of the United States. Fisheries 34:487-495.
♦ 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.
♦ 3SEASONAL AND SPATIAL DIFFERENCES IN DIET IN THE WESTERN STOCK OF STELLER SEA LIONS (EUMETOPIAS JUBATUS), E. H. Sinclair and T. K. Zeppelin, Journal of Mammalogy Vol. 83, No. 4 (Nov., 2002), pp. 973-990
♦ 4Groundfish Food Habits and Predation on Commercially Important Prey Species in the Eastern Bering Sea From 1997 Through 2001, Lang, G. M., P. A. Livingston, and K. A. Dodd, 2005, U.S. Dep. Comer., NOAA Tech. Memo. NMFS-AFSC-158, 230 p.
♦ 5Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005).
Host-Parasite Database of the Natural History Museum, London