What is jellyfish float in swimming?

Jellyfish float in water due to their unique body structure, which consists mostly of a gelatinous substance called mesoglea, making them buoyant. Their bodies are composed of around 95% water, allowing them to easily drift with ocean currents. They lack a rigid skeleton and rely on their umbrella-shaped bell to pulsate and propel themselves, while their tentacles hang down, catching prey. This combination of buoyancy and movement enables jellyfish to navigate and thrive in their aquatic environments.