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.
♦ 2Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at
animaldiversity.org♦ 3Study of Northern Virginia Ecology♦ 4Jorrit 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.
♦ 5Variation in the diet of the viperine snake Natrix maura in relation to prey availability, Xavier Santos, Jacob González-Solís and Gustavo A. Llorente, ECOGRAPHY 23: 185192. Copenhagen 2000
♦ 6"Diet of the Red Swamp Crayfish Procambarus clarkii in Natural Ecosystems of the Doñana National Park Temporary Fresh-Water Marsh (Spain)", P. J. Gutiérrez-Yurrita, G. Sancho, M. Á. Bravo, Á. Baltanás and C. Montes, Journal of Crustacean Biology
Vol. 18, No. 1 (Feb., 1998), pp. 120-127
♦ 7Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005).
Host-Parasite Database of the Natural History Museum, London
♦ 8Species Interactions of Australia Database, Atlas of Living Australia, Version ala-csv-2012-11-19