Marine pest resources

Use the links below for more useful marine pest and native species information.

Northland marine pest identification guide

The species featured in this guide are unwanted marine pests. See photographs and get descriptions of distinguishing features to help you identify these marine pests.
Northland marine pest ID guide (PDF, 813KB)

A useful website for navigating inter-regional and regional marine biosecurity rules and marina requirements.

Level of fouling guidance and schematics

A method for rapidly characterising biofouling on the submerged surfaces of boats or ships.
Level of fouling (LoF) guidance and schematics (Cawthron) (PDF, 3810KB)

Top of the South Marine Biosecurity Partnership

An inter-regional partnership focusing on marine biosecurity issues affecting the top of the South Island and the rest of New Zealand.

Biosecurity New Zealand

New Zealand’s lead agency for biosecurity.

Marine Biosecurity Porthole

A database for records of invasive marine species findings.


The National Institute of Water and Atmospheric Research or NIWA, is a Crown Research Institute of New Zealand. Established in 1992, NIWA conducts research across a broad range of disciplines in the environmental sciences.

Young Ocean Explorers

A resource for teachers, parents and children with videos and quizzes about marine biosecurity. - Biosecurity section


The world's largest sailing news network; sail and sailing, cruising, boating news.

Environment Guide

This site contains practical information to assist individuals, community groups and businesses to more effectively participate in environmental management processes.

World Register of Marine Species

The aim of a World Register of Marine Species (WoRMS) is to provide an authoritative and comprehensive list of names of marine organisms, including information on synonymy. While the highest priority goes to valid names, other names in use are included so that this register can serve as a guide to interpret taxonomic literature.


A place where you can share what you see in nature, set up citizen science and community-based monitoring projects, meet other nature watchers, and learn about New Zealand's natural history.