Across the world scientists and biologists are studying a huge variety of dedicated and intricate subjects: jellyfish proteins; fish intelligence and whether octopus dream. On the other side of the coin are the naturalists
I was really happy with my task, staying on the surface. I truly wanted to snorkel with dolphins, but the sharks made me hesitate. Finally, Joel convinced me to join him. It was so cool to see everything from below, and I finally got to snorkel with dolphins! But it was the whales that made this day unforgettable.
In the midst of the chaos of sardines, dolphins, birds and sharks there appeared a lonesome Humpback whale. She seemed not to be concerned with the frenzy which ensued around her but rather quite intrigued by the shoal of sardines which seeked refuse under her enormous shadow.
The play unfolds right in front of my camera - my breathing rate is high. Nick and Kimmo are with me. We spread out so as not to ruin each other's shots. Nick was supposed to be our "safety diver," but we don't have time for that now. He has to film too. When the opportunity arises, we must seize it!
Indeed, we do have sharks in Sweden. Perhaps up to 17 different species! Some are, of course, very rare visitors to Swedish waters, while others live their entire lives in the same place.
In southern Portugal, a group of passionate divers has deliberately sunk four large marine vessels, not only to enhance the diving experience but also to foster new habitats for marine life.
The crystal clear warm water a few meters below the surface in the complex cave system in Mexico is both mystic and fascinating. Diving in the labyrinths of this natural cave system has given me many lifelong dive memories. Follow me and experience the silent, mystical water world underground.
Hear Johan Rönnby talk about marine archaeology, and about the Baltic Sea's unique ability to preserve old wrecks