Marine Pest ID guide

These pests are known to be in parts of New Zealand but we don’t want them to spread further. If you see one outside a known location, please report it.

Report a pest
Marine Pest Map
Red Seaweed (Asparagopsis taxiformis)

Red Seaweed (Asparagopsis taxiformis)
Asian paddle crab

Asian paddle crab
Australian Droplet Tunicate

Australian Droplet Tunicate
Clavelina species

Clavelina species
Clubbed Tunicate

Clubbed Tunicate
Exotic Caulerpa

Exotic Caulerpa
Japanese Mantis Shrimp

Japanese Mantis Shrimp
Mediterranean fanworm

Mediterranean fanworm
Pyura species

Pyura species
Asian Kelp (Undaria)

Asian Kelp (Undaria)

Thank you to Northland Regional Council, Auckland Council, NIWA, Department of Conservation and Bay of Plenty Toi Moana Regional Council for use of these images.