Edible periwinkles are a common sight when rockpooling and can be found in huge numbers on the shore.

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

These little sea snails are found amongst the seaweed on rocky shores around much of the UK. They come in lots of different colours, from bright yellow to chequered brown!

Although, commonly referred to as a ‘sea snail,’ this species in fact belongs to the fish family!

Also known as the brown crab, this large crab is found around all UK shores and is identifiable by the distinctive pie-crust edge to its brown shell.

This large sea slug is anything but dull!

A small colourful sea slug that can be found grazing on sea mats on the rocky shore and beyond the low water mark.

The sea hare looks like a sea slug – but in fact has an internal shell. They can be up to 20cm long but are usually much shorter.

A large colourful sea slug found on rocky shores around the UK.