Oceans take up three-quarters of our planet. Its inhabitants need to be mobile to feed and breed, and in this realm of motion, there are no limits.

Sand is rarely considered a place teeming with life, but this couldn't be further from the truth. In sandy encounters, patience is indispensable.

Tropical seas are a firework of vivid and intense colors. The display is breathtaking, but is it all just for beauty, or is there a hidden agenda?

Submarine sexuality displays some very strange facets. Some mate for life. Others lead tumultuous lives governed by submissive/dominant relationships.

Coral reefs serve as habitats, food supply, and mutual aid all at once. They are truly spectacular undersea theaters of life, with outstanding actors.

The sea induces fear. Many people believe it is inhabited by monsters. Spotting the danger is essential to survival for sea creatures.