Primary Target Species

The NZ Marine Pest Identification Guide contains information on 11 marine pest species that we don't want in New Zealand. You can help us by reporting any suspect marine animal or plant by calling the Exotic Disease and Pest Hotline 0800 80 99 66. It is free to call within NZ and open to calls 24/7.

Additional information on these and other marine pests can be found below.


Latin name

Common name

Click to view an image of the pest

Click to read more about the pest

Download an I.D. Guide

Asterias amurensis

Northern Pacific seastar

Asterias amurensis thumbnail (Photo: S. Wilkens, NIWA) Northern Pacific Seastar I.D. Guide

Carcinus maenas

European shore crab

Carcinus maenas thimb European shore crab I.D. Guide

Caulerpa taxifolia

Marine aquarium weed

Caulerpa taxifolia_thumnail Aquarium weed I.D. Guide

Eriocheir sinensis

Chinese mitten crab

Eriocheir sinensis_thumbnail Chinese mitten crab I.D. Guide

Corbula amurensis

Asian clam

Corbula amurensis thumb Asian clam I.D. Guide