Britain's largest 'diving beetle' is an impressive creature, though it's not easy to find.

The black sea bream really is a fascinating fish. From sex changes to nest building, this fish is full of surprises!

The lightbulb sea squirt is common around much of the UK. Its easy to see where its name came from!

This strange furry creature often found washed ashore after storms is actually a kind of worm!

These little critters are related to the woodlice you find in your garden and play a very important role on rocky shores.

These mat like growths found on kelp and seaweed are actually colonies of tiny individuals animals.