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The name cnidarians comes from the greek word 'cnidos', meaning stinging nettle. A key feature of these animals is the presence of 'nematocysts' or stinging cells, found mainly in the tentacles.

Resource type: PosterLast updated: 06.06.2019

For a species to survive, it must reproduce successfully and in the ocean, as on land, this is not always easy.

Resource type: PosterLast updated: 06.06.2019

In the ocean, as on land, communication happens between individuals and between species.

Resource type: PosterLast updated: 06.06.2019

With the existence of many predators in the environment, aquatic animals have developed an amazing variety of defence mechanisms.

Resource type: PosterLast updated: 06.06.2019

Estuaries are an essential part of Western Australia's coastal environment. The sheltered waters, abundance of food and lack of large predatory fish provide a key habitat for many fish species, for either some or all of their lifecycle.

Resource type: PosterLast updated: 06.06.2019

There are a number of finfish species found within Western Australia's nearshore environment - waters from the high tide mark, seawards to a depth of approximately 20 metres.

Resource type: PosterLast updated: 06.06.2019

Pelagic fish mostly live in the open ocean, although part of their lifecycle maybe spent in nearshore waters. Unlike demersal species such as pink snapper that live near the sea bed and coral trout that live around the reefs, pelagic fish can be found anywhere from the surface down to depths of more than 1,000 metres.

Resource type: PosterLast updated: 06.06.2019

There are approximately 500 shark species worldwide and more than 100 of these are found in Western Australian waters.

Resource type: PosterLast updated: 06.06.2019