Crustaceans
Who are they?
Crustaceans belong to the same grouping of animals as insects (Arthropoda). In the Great Barrier Reef, they play a very important role in marine ecology and commercial fisheries.
Characteristics
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Soft bodies covered by a hard segmented, exoskeleton
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Body divided into head, thorax (or cephalothorax) and abdomen
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Bilaterally symmetrical
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Paired jointed appendages on thorax and abdomen
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2 pairs of antennae
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Predominantly marine
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