 The threatened bilby, which is specially protected by the Commonwealth Environment Protection and Biodiversity Conservation Act 1999, has been recorded in sandy sites within the marsh.Altogether, 22 species of mammal, 49 reptiles and six frogs have been recorded there, while a new goby species has been discovered in Salt Creek.The Mandora Marsh is of high cultural significance to the Nyangumarta people, who hold native title over the area.