Fox (Vulpes vulpes)

Their current distribution is unknown however most sightings have been in the north of the State.

Feral cat (Felis catus)

Widespread throughout the state with sightings occurring in remote areas such as south-west Tasmania and the central highlands.

Feral pig (Sus scrofa)

Restricted to Flinders Island, Bass Strait, mainly on the east coast wetlands and around Strzelecki National Park.

Ferret (Mustela furo)

Known from South Arm (south-eastern Tasmania) and potentially on King Island, western Bass Strait. There have also been widespread sightings.

Brown rat (Rattus norvegicus)

Widespread across Tasmania and is most common in the vicinity of human settlement.

Back rat (Rattus rattus)

Widespread across Tasmania, including many of the off-shore islands.

Common starling (Sturnus vulgaris)

Still spreading in Tasmania. Found on Macquarie Island where they are widespread and common.

European Carp (Cyprinus carpio)

Restricted to Lake Sorell and Lake Cresent in the central highlands.

Eastern Gambusia (Gambusia holbrooki)

Restricted to sites in the Tamar estuary near the Tamar River Wetlands Centre. Populations are also known in two farm dams at Freshwater Point.

Northern Pacific seastar (Asterias amurensis)

Mainly found in the Derwent River and the D'Entrecasteaux Channel. They are also found in the Huon River, around Triabunna and Maria Island. Their northern most population is in Henderson Lagoon near Falmouth. However, in 2001 one specimen was found further north at Georges Bay, St Helens.

Mainland yabby
(Cherax destructor)

First released in Tasmania's midlands, and has since been transported to farm dams and waterways around the State.

European wasp (Vespula germanica)

In Australia, the first European wasps were found in Tasmania in 1959. They are now found Statewide.

Bumblee
(Bombus terrestris)

In Tasmania they were first collected in Hobart in 1992. They occur Statewide but mainly in the south. There have been sightings from the west and east coasts, and Maatsuyker and Pedra Branca islands. However, there have been no persistent sightings in Launceston.