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