Dusky ratThe dusky rat is an indigenous species of rodent in the family Muridae found in Australia.Namepeople of western Arnhem Land call this animal mulbbu, a name also applied to other rodent species. It was first described in 1904 by British zoologist Oldfield Thomas.RangeThe rat is found only in the monsoonal subcoastal plains of the Northern Territory, Australia.PredationThe dusky rat is eaten according to Peterson Nganjmirra and is prey to the Australian water python '' also ranging across northern Australia.