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.

Velvet swimming crab

Necora puber


Crustaceans, Crabs


A blue and black crab, with ultra-vivid red eyes and a serious attitude that earns its nickname of “devil crab”.

Capably swims to evade danger - but not afraid to ferociously fend off an intrusion. Take care!


In pools and amongst weeds on the lowest shore, all locations but especially in rocky areas.


Rocky shore, Rock pools, Subtidal

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