Jellyfish: A Natural History

The most ancient multi-organ life form on the planet, jellyfish have drifted in our oceans for at least 500 million years. The impressive adaptability of these gelatinous beauties continues to fascinate us; jellyfish populations are flourishing in our increasingly warm and toxic oceans. Today they can be found in every marine environment in the world, at every depth, in a remarkable variety of forms and numbering around 4,000 different species