This grass-green seaweed is sometimes known as Grass Kelp and grows on pretty much every shore in the UK.

This slim fish is usually found on gravelly parts of the seabed, close to shore, but can turn up in rockpools.

Sea potatoes may have a funny name, but they are perfectly adapted for life in the sand. They are a type of sea urchin that live in a burrow in the sand, feeding on dead animals and plants using…

The silver Y migrates to the UK in massive numbers each year - sometimes, an estimated 220 million can reach our shores in spring! Seen throughout the year, it is very common in gardens and…

This brown seaweed lives in the lower shore and gets its name from the serrated edges to its fronds.

Despite appearances, this weird and wonderful creature is not a jellyfish! They're sometimes found washed up on our shores after westerly winds. Look but don't touch - they give a very…