Transparent for camouflage.

Common among rocks and under rocky overhangs. Large numbers can often be found in pockets of deep brackish water around estuaries. They can tolerate a wide range of salinity and can be found near freshwater or in rock pools where water has evapourated leaving a very salty mix behind (salinity range 5-43 g salt/L seawater).

Ferocious predators and scavengers. It is fascinating to watch the food travel through their body cavity

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A Guide to the Plants and Animals of the New Zealand Marine Studies Centre: McKinnon