 In Australia , C. maenas was first reported " in the late 1800s " in Port Phillip Bay , Victoria , although the species was probably introduced as early as the 1850s . It has since spread along the south @-@ eastern and south @-@ western <unk> , reaching New South Wales in 1971 , South Australia in 1976 and Tasmania in 1993 . One specimen was found in Western Australia in 1965 , but there have been no further discoveries in the area since . 
