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Acorn Barnacle
On any visit to the rocky shore in Sydney, you are almost guaranteed to see barnacles. You may even see several species on the one occasion. |
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Blue Swimmer Crab
The Blue Swimmer Crab is easily recognised by its distinctive shape and colour, and its large front pincers. Generally, it occurs in the deeper waters of estuaries but occasionally it enters shallower waters. |
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Eastern King Prawn, Ocean King Prawn Fact File
The Eastern King Prawn is the most important commercial prawn species in New South Wales. All the big edible prawns in Australia are known as penaeid prawns and belong to the family Penaeidae. |
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Ghost Crab
You will probably only catch a quick glimpse of this fast-moving crab as it races across the sand and disappears into a burrow. |
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Goose Barnacle
Two major types of barnacles are found in Sydney-the goose barnacles and the acorn barnacles. Both have a tough shell covering on the outside, which may lead some people to believe that barnacles are more closely related to snails than they are to crabs and lobsters. |
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Hermit Crabs
Occasionally they will fall in sandy pools and will slide along leaving a furrow until they make their way onto hard surfaces on which they settle when the tide goes out, feeding on microalgae when the tide comes in. But not every snail shell moving across a pool is a live mollusc. |
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Introduction
There are about 42,000 species of Crustacea, including many of the most familiar arthropods such as the crabs, the lobsters and the woodlice. |
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Lobster's meal time
The lobster can eat at any time during day or night. If it is in shallow water with some light reaching the bottom it can use its eyes. |
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Prawns and shrimps
A long-handled prawn or pond net dipped into a rock pool at mid-tide level or below, or edged around the weedy surrounds of a pool, is likely to catch a jumping mass of prawns of different sizes. |
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Semaphore Crab
The Semaphore Crab is the most abundant crab found in mangroves and estuaries, and usually lives among the mangrove roots. |
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