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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
This fact sheet covers information on the biology and ecology of the Baldchin groper.
Resource type: Fact SheetLast updated: 22.08.2019
Australian herring are a popular species with a lifecycle dependent on prevailing currents.
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
Students will gain an understanding of the social and economic benefits of recreational fishing to the community, and learn how to apply sustainable behaviours and attitudes when fishing and caring for the marine environment.
Resource type: LessonLast updated: 22.08.2019
To manage the marine environment effectively, marine managers need to know the size and composition of animal populations. Students will investigate methods that are used to estimate animal populations, and consider variables and constraints that can affect the confidence of results.
Resource type: LessonLast updated: 21.08.2019
This worksheet is associated with the Lesson: Capture-recapture experiment
Resource type: Student WorksheetLast updated: 21.08.2019
To manage the marine environment effectively, marine managers need to know the size and composition of animal populations. Students will investigate methods that are used to estimate animal populations, and consider variables and constraints that can affect the confidence of results.
Resource type: LessonLast updated: 21.08.2019
This worksheet is associated with the Lesson: Spectacular sea monkeys
Resource type: Student WorksheetLast updated: 20.08.2019
This Presentation is associated with the Lesson: Spectacular sea monkeys
Resource type: PresentationLast updated: 20.08.2019
This worksheet is associated with the Lesson: Monkeys of the sea
Resource type: Student WorksheetLast updated: 20.08.2019
Hammerhead sharks are easily identifiable by their distinctive hammer-like heads.
Resource type: Fun Fact SheetLast updated: 20.08.2019
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
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
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
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