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.
♦ 2CephBase - Cephalopod (Octopus, Squid, Cuttlefish and Nautilus) Database
♦ 3Jorrit 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.
♦ 4Food habits of the longnose skate, Raja rhina (Jordan and Gilbert, 1880), in central California waters, Heather J. Robinson, Gregor M. Cailliet, David A. Ebert, Environ Biol Fish (2007) 80:165179
♦ 5Habitat Partitioning by Three Species of Dolphins in Santa Monica Bay, California, Maddalena Bearzi, Coastal Environmental Quality Initiative, 07-08-2003
♦ 6Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005).
Host-Parasite Database of the Natural History Museum, London