They have no brains, no bones, and no backstories. Yet somehow, jellyfish are among the ocean's most successful survivors. So, how do jellyfish eat ? The answer is all about stings, tentacles, and some very sneaky arms.

There are thousands of jellyfish species drifting through Earth's waters, from the glowing sea nettles of California to the upside down jellyfish resting on Caribbean seafloors.

And despite their name, not all "jellies" are true jellyfish. Comb jellies, for example, look similar but don’t sting. Sea anemones and stalked jellyfish share some features too, but differ in behavior and structure.

How Do Jellyfish Eat?

Most jellyfish capture prey using stinging tentacles loaded with cells called cnidocytes. These specialized cells fire tiny harpoons that inject venom into s

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