The Freshwater Animal Diversity Assessment (FADA) database contains authoritative species lists for several taxonomic groups and distribution data at the level of faunistic regions. The groups currently published (26-06-2015) include Halacaridae, Cnidaria-Hydroida, Cladocera, Copepoda, Mysidaceae, Ephemeroptera, Plecoptera, Trichoptera, Macrophytes, Bivalvia, Nematomorpha, Rotifera, Turbellaria, Fish, Mammals, Diptera-Chironomidae-Tanytarsini, Diptera-Culicidae, Coleoptera-Psephenidae, Coleoptera-Dytiscidae, Coleoptera-Gyrinidae, Coleoptera-Haliplidae, Coleoptera-Donaciinae and Gastrotricha