How to identify marine pests

We need your help to keep watch for marine pests.

Know your area. Keep a look out. Learn what to look for.

If you see something unusual, report it.

What to look for

Read our advice on how to identify and report these marine pests.

You can also check our marine pest map.


These pests are not known to be established in Australia.


These pests are already established in some parts of Australia.


Report it

See something unusual? Report it. Even if you’re not sure.

If you see something you think is a pest:

  • note the exact location (screenshot your map app or enable photo geotagging on your phone)
  • take a photo (use something for size reference, like a coin or note)
  • contact your state or territory authority.