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 large burrowing bivalve, also known as the Icelandic cyprine, is found on sandy seabeds around much of the UK. It is the longest-lived animal known to man, with one individual found to be 507…

A bushy brown seaweed that appears bright blue underwater.

Look for wood avens along hedgerows and in woodlands. Its yellow flowers appear in spring and provide nectar for insects; later, they turn to red, hooked seedheads that can easily stick to a…

Gwaith gwahaddod yw’r sypiau brown o ddaear sy’n gallu addurno lawnt. Mae’r mamal brown, byrdew yma’n treulio ei oes yn creu tyllau o dan y ddaear gyda phawennau siâp rhaw, yn hela am bryfed…

This clown-like fish is a favourite amongst divers and snorkellers. They are inquisitive little souls and will investigate divers near their hidey-hole homes.

This beautiful orange and brown butterfly is now a rare sight in the UK

This brightly coloured and easily recognizable fish is one of three gurnard species found in UK seas. Collectively, gurnards are known as sea robins.

Frogbit looks like a mini water-lily as it floats on the surface of ponds, lakes and still waterways. It offers shelter to tadpoles, fish and dragonfly larve.