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!

Escaped or intentionally freed from fur farms in the 1960s, the American mink is now well established in the UK. Its carnivorous nature is a threat to our native water vole and seabird populations…

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

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

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

Honey bees are famous for the honey they produce! These easily recognisable little bees are hard workers, living in large hives made of wax honeycombs.

The easiest way to find out if the nocturnal and well-camouflaged nightjar is about is to listen out for its distinctive 'churring' call at dusk. A summer visitor, it is most numerous in…

The pink-footed goose is a winter visitor to the UK, feeding on our wetland and farmland habitats. About 360,000 individuals spend the winter here, making it a really important destination for…

This little cuttlefish really lives up to its name - it only reaches about 6cm long!

The ocean sunfish is the second largest bony fish on the planet and visits UK seas during the summer months to feast on jellyfish.

Living up to its name, the bullhead has a characteristically large, flattened head and a tapering body. Look out for it in fast-flowing, stony rivers and streams.