General description

Fish with bright red fins, usually between 200-250 mm long.

What you need to know

To help protect our environment:

Lakes, ponds, rivers, streams.

Herbivory can negatively impact plant growth, survival and community composition, sometimes leading to aquatic plant collapse in lakes. Selective feeding can promote weed success. Competes with native fish for invertebrates. May cause lake to flip to turbid state by eating zooplankton and re-suspending sediment.


Check equipment and vessels for freshwater pests, clean everything that has been in contact with the water and dry everything thoroughly.

Find out more:

For more information about rudd and how to manage them, contact Auckland Council at

Search tags

RPMP status

Aotea (Exclusion)
Lakes Tomarata and Rototoa
Whole region (Sustained Control)
Hauraki Gulf Controlled Area Notice pest
Rudd - Main species image