Attributes / relations provided by
♦ 1Grenouillet, G. & Schmidt-Kloiber., A.; 2006; Fish Indicator Database. Euro-limpacs project, Workpackage 7 - Indicators of ecosystem health, Task 4,
www.freshwaterecology.info, version 5.0 (accessed on July 3, 2012).
♦ 2Food Habits of Four Bottom-Dwelling Gobiid Species at the Confluence of the Danube and Hron Rivers (South Slovakia), Zdeněk Adámek, Jaroslav Andreji, José Martín Gallardo, International Review of Hydrobiology,
Volume 92, Issue 4-5, pages 554–563, August 2007
♦ 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.
♦ 4Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005).
Host-Parasite Database of the Natural History Museum, London