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.

Sand mason

Lanice conchilega




Thin, pale tentacles which can be see when this worm is feeding, but you will see just its narrow, fragile-looking tubes sticking out of the sand at low tide.

Only the last few centimetres stick out of the sand - the worm and its tube can be over a foot long.


Low down the shore on firm mud and sand


Lower shore, Subtidal, Sandy beaches

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