The river lamprey is a primitive, jawless fish, with a round, sucker-mouth which it uses to attach to other fish to feed from them. Adults live in the sea and return to freshwater to spawn.

Hornwrack is often found washed up on our beaches, with many believing that it is dried seaweed. In fact, it is a colony of animals!

The streamlined black-throated diver is a superb swimmer and diver, but not so graceful on land! During the summer, the distinctive black patch on its throat appears, heralding the breeding season…

The red-throated diver lives up to its name - the distinctive red patch on its throat heralds the breeding season. In summer, it nests in Scotland, but look out for it around the UK's coast…

Their empty, delicate pink or yellow shells can often be found washed up on beaches, but the animals themselves live buried in the sand all around the coasts of the UK.