Look at it go! Whatever the shape the animals are - big or small, round or flat, fins or flippers - they're all at home under water. Take a trip under the sea and learn about turtles, octopuses ...

But some insects and animals call the seaside home all year round, like crabs rushing along the sand, fish swimming in the sea and seagulls flying through the sky.

It serves as a powerful representation of chaos and the inevitable fate that awaits us all as a foreteller of death and cosmic powers. We can’t have a list of mythical sea creatures without ...

Look, here comes a blobfish! This thrilling deep-sea fish was voted the world's ugliest animal by the Ugly Animal Preservation Society. But its jelly-like skin looks much more natural at 900 meters.

Our oceans are filled with fascinating marine life. Of course, they're not all harmless. Avoid these venomous creatures while snorkeling, diving, or swimming.

Our Planet, the incredible new documentary series narrated by Sir David Attenborough, explores the wonderful hidden lives of coastal sea ... species can change colour to act as camouflage – seahorses ...

Stellers are the largest of all sea ... slip into the sea to hunt and return to their young with the day's catch—identifying their own offspring by touch and scent. These animals are social ...