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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
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
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
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
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
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
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
This fact sheet covers information on the biology and ecology of the Baldchin groper.
Resource type: Fact SheetLast updated: 22.08.2019
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
The Earth's climate is not static, having changed many times throughout history in response to natural causes.
Resource type: Fact SheetLast updated: 18.06.2019
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
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
The 'marine heat wave' that was observed off the coast of Western Australia in the summer of 2010/11, saw ocean waters around the mid-west coast rise more than 3 degrees Celsius above average. Learn more about this from this poster.
Resource type: PosterLast updated: 11.06.2019
A poster featuring the pathway of the Leeuwin current along the Western Australian coastline.
Resource type: PosterLast updated: 11.06.2019
Marine management is all about balancing human use with the needs of aquatic organisms and the environments they live in, to ensure healthy fish, habitat, economics and people.
Resource type: PosterLast updated: 11.06.2019
Explore the beach flotsam and jetsam of the South Coast bioregion.
Resource type: PosterLast updated: 11.06.2019
The inland waters of Western Australia are home to many species of native fish and crustaceans but are gradually being invaded by introduced species that don't occur naturally in our rivers and lakes. Learn more about aquatic invaders from this poster.
Resource type: PosterLast updated: 11.06.2019
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
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
Explore the beach flotsam and jetsam of the West Coast bioregion.
Resource type: PosterLast updated: 11.06.2019
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