Mosquito fish

Freshwater species found in South Australia. Established in most freshwater water bodies except the far north of the state – if discovered there, please report it immediately to Fishwatch 1800 065 522 or via the SA Fishing app.

Mosquito fish are small bodied fish. Usually found in large numbers they:

• compete with native fish
• attack the fins of native species.

Mosquito fish must not be returned to the water when caught.

Declared noxious under the Fisheries Management Act 2007. Noxious species are a severe threat to the natural environment and industries. They cannot be held or traded in South Australia without specific authorisation and must not be returned to the water if caught.