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.
♦ 3Feeding habits and trophic levels of Mediterranean fish, Konstantinos I. Stergiou & Vasiliki S. Karpouzi, Reviews in Fish Biology and Fisheries 11: 217–254, 2002
♦ 4CephBase - Cephalopod (Octopus, Squid, Cuttlefish and Nautilus) Database
♦ 5Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005).
Host-Parasite Database of the Natural History Museum, London