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Aquatic

Aquatic pests, weeds and diseases are a significant threat to Western Australia's precious ocean, river and marine ecosystems.

Underwater image of carpet sea squirt
Advice

Carpet sea squirt

Aquatic pests

Carpet sea squirt is an invasive marine pest primarily spread by the movement of vessels and marine equipment. It can overgrow rocks, shellfish, sea sponges and man-made structures such as wharves, jetty pylons, pontoons, buoys and commercial and recreational vessels.   

Updated: 19 June 2024
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Biosecurity alerts

Refer to the biosecurity alerts below for more information on aquatic pests and diseases.