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Species

Common brittlestar

This large brittlestar can be found in rockpools around much of the UK, but be gentle - its arms are very brittle and will break off if disturbed.

Species

Common starfish

A most familiar seashore inhabitant, the common starfish truly lives up to its name in UK seas and rockpools!

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Identify sea urchins

Sea urchins are echinoderms, related to starfish, sea cucumbers and brittle stars. Their scientific name "Echinus" comes from the Greek word for hedgehog - it's easy to see why with all those spines! But what species live in UK waters and how do you tell them apart? Here’s our guide on identifying 3 common species of sea urchin found around our coasts.
Species

Seven armed starfish

Brittle stars, sea urchins and other starfish will want to stay out of the way of this speedy carnivorous starfish!

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Identify UK starfish

Read our guide on identifying starfish spotted in the UK. Here are the most common starfish that you might see near you.
Species

Spiny starfish

Our largest starfish, the spiny starfish can reach an impressive diameter of 70cm!

Species

Bloody henry starfish

The bloody henry starfish is normally a bright purply-red colour and is found all around the UK.

Species

Green sea urchin

This small, round sea urchin is (unsurprisingly!) green in colour and can be found on rocky shores around the UK.

Species

Edible sea urchin

This large round urchin is sometimes found in rockpools, recognisable by its pink spiky shell (known as a test).