Harbour Porpoise

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Muc Mhara

The harbour porpoise is very common in Ireland. It likes to stay close to the coast. It is sometimes called the 'sea pig'. This comes from its Irish name muc mhara.

The harbour porpoise has a small round nose. It has a dark grey colour across its back. Its belly is a whiter colour. It has a very small fin on its back.

Most harbour porpoises grow to about 1.5 metres long. They eat smaller fish, like sand eels, mackerel, crabs and lobsters.

The harbour porpoise is very different to the dolphin. It is very shy. It won't usually swim up to boats or follow them.