Jellyfish Tentacles Close Up

Stinging cells (nematocysts) line the tentacles of this moon jelly (Aurelia aurita). Upon contact with prey or a predator, a venom-laden harpoon shoots out to stun or kill. Read more about jellyfish anatomy in our jellyfish and comb jellies overview page.

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Submitted by KMS154 (not verified) on

Its tentacles look so graceful!!!!! Why are the tentacles of a jellyfish like that, all so graceful?