Resources

This fact sheet provides information about blue swimmer crabs, a tropical crustacean species found in Western Australia mainly between Karratha and Dunsborough. Also known as a blue manna crab, it is an important recreational and commercial fishing species.

Resource type: Fact SheetLast updated: 09.03.2026

Cnidarians are a diverse group of animals that all share a key feature: the presence of ‘nematocysts’, or stinging cells. This fact sheet describes the main characteristics and four classes of Cnidarians.

Resource type: Fact SheetLast updated: 24.02.2026

Nuisance or necessary?
The common blowfish, or ‘blowie’, is abundant in estuaries and coastal waters throughout south-west Western Australia (WA). It is often regarded as a nuisance because it gobbles bait, making it hard for fishers to catch other species of fish.
However, while the blowfish will never win a popularity contest, it has an important role in marine ecosystems. The blowie is native to WA and keeps our waterways clean by eating up waste scrap, bait and berley.

Resource type: Fact SheetLast updated: 19.12.2025

Roe’s Abalone are a reef-dwelling marine snail in Western Australia which are the target of one of the world’s shortest recreational fishing seasons. Despite this fishing pressure, WA can boast one of the few remaining sustainable wild-stock abalone fisheries.

Resource type: Fact SheetLast updated: 24.11.2025

Seagrasses support highly productive and diverse ecosystems. These specialised marine plants are vitally important in the coastal environment because they are a source of food and shelter; oxygenate water, trap sand and recycle nutrients; act as carbon sinks (blue carbon); and provide breeding habitats and nursery areas for many marine organisms

Resource type: Fact SheetLast updated: 27.10.2025

Red, green and brown, Algae are essential!
Algae are a diverse group of simple, plant-like organisms found in aquatic environments. They play an important role, forming the base of the food chain for marine life. They range from tiny, single-celled organisms called phytoplankton, visible only with the aid of a microscope, to the large kelps that can form massive undersea forests.

Resource type: Fact SheetLast updated: 07.10.2025

This fact sheet covers information on the biology and ecology of the Baldchin groper.

Resource type: Fact SheetLast updated: 17.09.2025

Colourful and protected by a strong carapace, the western rock lobster is one of the family of 'spiny' lobsters - and the target of WA's largest and most valuable fishery. This fact sheet explores the basic biology of the western rock lobster.

Resource type: Fact SheetLast updated: 17.09.2025

Pink snapper are one of Western Australia's best-known and most sought-after fish. This fact sheet provides information on the widely distributed Pink snapper (Pagrus auratus) and their biology.

Resource type: Fact SheetLast updated: 05.09.2025

A fact sheet providing information on Western Australian dhufish, a fish species endemic to the southern part of Western Australia. Its great size and superb eating qualities make this fish a Western Australian fishing icon.

Resource type: Fact SheetLast updated: 03.09.2025

The Noongar people are the Traditional Owners of the south-west of Western Australia, and they have cultural rules and responsibilities about how we use and look after the country, waterways, plants and animals.

Resource type: Fact SheetLast updated: 09.07.2025

Of the 370-plus shark species in the world, more than 100 species live in Western Australian waters. This fact sheet provides general information about the biology of sharks, protected species and their vulnerability to overfishing.

Resource type: Fact SheetLast updated: 09.05.2025

From Collier Bay to King Sound just north of Derby, lies a group of 800 or more scattered islands and low-lying reef known as the Buccaneer Archipelago. Lying crumpled and creased, the archipelago’s shores are notched with a myriad of mangrove estuaries, bays and sand beaches, plunging cliffs and rocky masses, rugged headlands and islands, and innumerable hidden reefs.

Resource type: Fact SheetLast updated: 17.04.2025

Marine parks help to conserve marine biodiversity and provide special places for people to learn about, enjoy and appreciate spectacular marine areas.

Resource type: Fact SheetLast updated: 13.02.2025

Redfin perch are a medium sized freshwater fish native to the Northern Hemisphere which were first introduced to Western Australia’s inland waters in 1903.
Learn about their biology, habitat, lifecycle and diet, and their impacts on native fish species. The fact sheet also includes information about other large predatory species, including Murray cod, golden perch, silver perch, eel tailed catfish and Australian bass.

Resource type: Fact SheetLast updated: 20.12.2024

The Yawuru people, are the Traditional Owners of Roebuck Bay. They have cultural rules and responsibilities about how we use and look after the country, plants and animals.

Resource type: Fact SheetLast updated: 19.11.2024

Chordata is one of the better-known phyla in the animal kingdom, as it includes humans! This fact sheet explains the common characteristics of all chordates, as well as the main groups of chordates you are likely to find in aquatic environments across Western Australia.

Resource type: Fact SheetLast updated: 14.12.2022

Bryozoans are a diverse group of animals which boast several unique marine species. This fact sheet describes the characteristics and the three groups of bryozoans.

Resource type: Fact SheetLast updated: 14.12.2022

Algae are a diverse group of photosynthetic organisms that are the foundation of almost all marine food chains. This fact sheet briefly outlines the three main groups of algae (green, red, and brown algae) and describes how algae differs from plants. Check out the related resources below for further information.

Resource type: Fact SheetLast updated: 14.12.2022

Classification is the organising or sorting of organisms into groups according to their characteristics.

Resource type: Fact SheetLast updated: 07.12.2022