The secret life of a floating dock - 010225
Sea Urchins, Fluffy anemonas and Mussels.
The Fluffy anemone, Metridium senile, is a predator and catches small organisms floating past in the current. Its diet largely consists of copepods, worm larvae, mollusc larvae, ascidian larvae, amphipods and barnacle larvae.
M. senile is found on the northwest coasts of Europe from the Bay of Biscay north to Norway and Iceland. It also occurs on the east and west coasts of North America and has arrived in South African waters.
M. senile adheres to rocks, boulders, man-made structures, pebbles and shells. It favours places where the current is strong. Smaller forms inhabit the lower shore where they are found under stones, beneath overhangs and in shaded places.
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