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Fact Sheet: Introduced Marine Species

Dangerous migrants - marine species that are introduced into environments in which they do not occur naturally can become deadly pests and represent one of the greatest threats to the world's oceans and biodiversity.
This fact sheet identifies some of the species introduced into Western Australia, how they get here and their impact on our native marine environment.

Resource type: Fact SheetLast updated: 22.08.2019

Fact Sheet: Estuarine cobbler

Cobbler or catfish as they are known outside Western Australia, are 'endemic' to Australia, meaning they're only found here. They live in the southern half of the country, in coastal and estuarine waters up to about 30 metres deep.

Resource type: Fact SheetLast updated: 22.08.2019

Fact Sheet: Bycatch

What is bycatch? The accidental capture of unwanted or non-targeted fish or other animals. This fact sheet outlines what is bycatch and what the fishing industry is doing to reduce it through bycatch reduction devices and modified fishing equipment.

Resource type: Fact SheetLast updated: 22.08.2019

Fact Sheet: Blue Swimmer Crab

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: 22.08.2019

Fact Sheet: Blowfish

The common blowfish or 'blowie', is abundant in estuaries and coastal waters throughout south-west Western Australia. 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 waste scrap, bait and berley.

Resource type: Fact SheetLast updated: 22.08.2019

Fact Sheet: Black Bream

Black bream is one of the most important recreational and commercial fish species in the estuaries of south-Western Australia. A 'true' estuarine species, black bream complete their whole lifecycle within an estuary and are reliant on healthy rivers and estuaries for their survival.
To find out more, download this fact sheet.

Resource type: Fact SheetLast updated: 22.08.2019

Fact Sheet: Barramundi

Barramundi are a highly opportunistic species that dominate many tropical rivers. Delicious and thrilling to catch, they also live in both freshwater and saltwater, change sex and eat just about anything. Barramundi support substantial commercial, recreational and customary fisheries, as well as an aquaculture industry Australia-wide.

Resource type: Fact SheetLast updated: 22.08.2019

Fact Sheet: Barcheek Coral Trout

Barcheek coral trout are a long-lived and slow-growing fish found along the continental shelf between Ningaloo and the Northern Territory border. Since they inhabit inshore areas they are more vulnerable to overfishing and localised depletion than other coral trout species.

Resource type: Fact SheetLast updated: 22.08.2019

Fact Sheet: Baldchin Groper

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

Resource type: Fact SheetLast updated: 22.08.2019

Fact Sheet: Australian Herring

Australian herring are a popular species with a lifecycle dependent on prevailing currents.

Resource type: Fact SheetLast updated: 22.08.2019

Fun Fact Sheet: Giant Trevally

Out of the large trevally family, the most well-known is the Giant Trevally.

Resource type: Fun Fact SheetLast updated: 20.08.2019

Fun Fact Sheet: Mullet

Two species of mullet are found in the lagoon at Cocos (Keeling) Islands; diamond scale mullet and sea mullet.

Resource type: Fun Fact SheetLast updated: 20.08.2019

Fact Sheet: Eighty Mile Beach

Imagine an isolated beach of endless white sand, seashells and turquoise waters, stretching so far it would take more than a week to walk its length. Aptly named, Eighty Mile Beach is indeed long, stretching 220 kilometres and renowned as Australia's longest uninterrupted beach.

Resource type: Fact SheetLast updated: 18.06.2019

Fact Sheet: Ord River

The East Kimberley is home to the impressive Ord River, a 650 kilometre long watercourse with an expansive catchment area of around 55,100 square kilometres.

Resource type: Fact SheetLast updated: 18.06.2019

Fact Sheet: Marine Parks

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: 18.06.2019

Poster: Leeuwin Current (Who Goes With the Flow)

A poster featuring the pathway of the Leeuwin current along the Western Australian coastline.

Resource type: PosterLast updated: 11.06.2019

Poster: Cocos Islands Food Web

Discover who eats who and the important relationships between the terrestrial and marine environments on Cocos Islands. This food web poster also highlights how humans fit into the food chain and allows you to imagine what may happen if we were to impact the food chain in some way such as overfishing.

Resource type: PosterLast updated: 11.06.2019

Poster: Christmas Island Food Web

Discover who eats who and the important relationships between the terrestrial and marine environments on Christmas Island. This food web poster also highlights how humans fit into the food chain and allows you to imagine what may happen if we were to impact the food chain in some way such as overfishing.

Resource type: PosterLast updated: 11.06.2019

Poster: South Coast Food Web

Discover who eats who off the south coast of Western Australia. This poster shows the feeding relationships between some common temperate water species.

Resource type: PosterLast updated: 11.06.2019

Fun Fact Sheet: Abalone

Abalone are a gastropod mollusc. The ear-shaped shell of an abalone is hard and rough on the outside to protect the animal from predators, and smooth and shiny on the inside to protect the soft body from damage.

Resource type: Fun Fact SheetLast updated: 07.06.2019

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