Jellyfish are among the most fascinating animals in Earth's oceans. Beneath the waves, these soft, ghostlike creatures drift through the water collecting prey with their dangling tentacles. Readers will discover how a jellyfish's body is structured, how jellyfish grow and reproduces, and how scientists classify jellyfish into different groups. They will also find out why swimmers have come to fear these strange, ancient animals. .

Floating phantoms -- Built for survival -- A look at a life cycle -- Prehistory and the present -- Sharing the sea.