One of 2 seahorses found in UK seas, long snouted seahorses are recognisable by their longer snout and fleshy "mane".

This dashing diving duck is a winter visitor to the UK's seas, coastal lakes and occasionally inland water bodies.

One of 2 seahorses found in UK seas, short snouted seahorses are recognisable by their shorter snout - surprisingly enough!

Introduced from Japan in the 19th century, Japanese knotweed is now an invasive non-native plant of many riverbanks, waste grounds and roadside verges, where it prevents native species from…

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

This gentle giant is the largest shark in UK seas, reaching up to 12m in length. There's no need to fear them though, they only eat plankton!