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Species of the Month March 2008

Green Ormer (c) Sue Daly

Common name: Green Ormer

Latin name: Haliotis tuberculata

A type of sea snail (Mollusca)


Key Features

  • A flattened, asymmetric, ear-shaped shell.
  • Up to 9 cm long.
  • Outer surface is mottled greenish-brown to red in colour.
  • Inner surface lined with mother of pearl
  • Series of small raised holes along the margin of the shell.

Where to look:

Lower shore, commonly found feeding on rocks covered in red encrusting algae.

Effects of warmer seas:

Will become more widespread mainly due to escapees from commercial mariculture farms.

Effects on the environment:

Grazing species keep areas clear of algae.

More information:

Click here find out more about this species on the MarLIN website