Rock pools

Rock pools are either permanent water-filled crevices or form as waves pound cobbles and boulders, scouring the rock.

A rock pool is left when the cobbles or boulders have been washed away.

Marine life

Marine life in these pools has adapted to constant submersion, and extremes of temperature and salinity.

They include algae (turf-like, leafy, and Neptune's necklace brown algae), sea anemones, sponges, tube worms, sea stars, oysters, and fish such as threefins and blennies.

 

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Mulberry whelk searching for prey at the edge of a rock pool. (Photo: J Turnbull)

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Waratah anemone when the tide comes in, opened up and filter-feeding from the water. (Photo: J Turnbull)

 

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Zebra snail in a rock pool feeding on algae. (Photo: J Turnbull)

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Seastar in a rock pool. (Photo: J Turnbull)