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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: 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: 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

Fact Sheet: Algae

Algae are an extremely diverse group of photosynthetic organisms that are the basis for almost all food chains in the world's oceans.

Resource type: Fact SheetLast updated: 22.08.2019

Fun Fact Sheet: Hammerhead Shark

Hammerhead sharks are easily identifiable by their distinctive hammer-like heads.

Resource type: Fun Fact SheetLast updated: 20.08.2019

Fun Fact Sheet: White Shark

White sharks are warm blooded. They have a heat-exchanging circulatory system that allows them to maintain their body temperature above that of the surrounding seawater. This allows them to swim at high speeds through cooler water.

Resource type: Fun Fact SheetLast updated: 20.08.2019

Fun Fact Sheet: Great Barracuda

Barracuda are pelagic fish, meaning they are found near the surface of the water, and are one of the fastest fish in the sea!

Resource type: Fun Fact SheetLast updated: 20.08.2019

Fun Fact Sheet: Golden Ghost Crab

Have you ever seen holes on the beach that look as though they have been made by someone poking an umbrella in the sand? You may actually have been looking at the burrow of a golden ghost crab.

Resource type: Fun Fact SheetLast updated: 20.08.2019

Fun Fact Sheet: Globefish

I am a globefish. My name reflects my appearance, having a body that I can inflate.

Resource type: Fun Fact SheetLast updated: 20.08.2019

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

Fun Fact Sheet: Mulloway

Mulloway is an aboriginal name meaning 'the greatest one' and growing to an impressive 30 kilograms, it's easy to see how they get their name.

Resource type: Fun Fact SheetLast updated: 20.08.2019

Fun Fact Sheet: Flying Fish

Flying fish are found in all of the oceans particularly in tropical and sub-tropical waters.

Resource type: Fun Fact SheetLast updated: 20.08.2019

Fun Fact Sheet: Flounder

Typically found in estuaries and coastal waters off Western Australia, flounder have an interesting life history.

Resource type: Fun Fact SheetLast updated: 20.08.2019

Fun Fact Sheet: Estuarine Cobbler

I am a type of catfish called an estuarine cobbler.

Resource type: Fun Fact SheetLast updated: 20.08.2019

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