Sea Jelly’s ( Jellyfish) – Aquarium of the Pacific – Long Beach, USA

Jellyfish are found in every ocean, from the surface to the deep sea.
They have roamed the seas for at least 500 million years,
and possibly 700 million years or more, making them the oldest multi-organ animal.

They are typified as free-swimming marine animals consisting of a gelatinous umbrella-shaped bell and trailing tentacles.
The bell can pulsate for locomotion, while stinging tentacles can be used to capture prey.


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