You are viewing a single comment's thread from:RE: 7 World’s Continents Photo Challenge - Tuesday of Antarctica and World´s Oceans week #129View the full contextmarc-allaria (65)in #travel • 6 years ago They are certainly the oldest and most fascinating creatures in our oceans. They have adapted to many climates and are still among the most mysterious animals today. The jellyfish. This one comes from Tunisia.