There are 16 different families of fleas worldwide, consisting of about 2380 species. In Australia 9 of these families are represented with just 90 different species. About half of the endemic species that occur in Australia are found in the iopsyllidae family. The Pulicidae family contains many of the introduced fleas such as the cat, dog and human flea, as well as some native species. Go to our links section to find out more about out more about the different families of fleas.