UK Seas

Discover the wonderful sea creatures that inhabit the UK seas and shores

Know the name of the creature you are looking for?

UK seas is a guide to the fauna and flora found around UK coasts. While the majority of species are marine, some species are included that are regularly encountered on land by the coast, so you’ll find descriptions of non-marine species such as reptiles, amphibians, insects and plants as well.


Mytilus edulis


Molluscs, Shells


Very familiar two-shelled mollusc, dark blue to black in colour. Often found attached to rocks on the shore, tending to grow bigger below the tideline.

Mussels do indeed have very strong muscles that help keep their shells clamped shut.


Found attached to rocks on exposed rocky coasts, growing bigger around the low water mark. All UK.


Rocky shore, Strandline

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