World Jellyfish Day 2026: Check these 5 fascinating facts

World Jellyfish Day

Every year, World Jellyfish Day is observed on November 3 to raise awareness about the sea creatures and their role in the ocean ecosystem

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Origin of the day

The day was started in 2014 and has been observed since then, as it coincides with the springtime migration cycles of the jellyfish from the southern hemisphere

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Uniqueness

Jellyfish are known to be 95 per cent water and lack a brain, heart, bones, blood or hills, and have been there for over 500 million years even before dinosaurs

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Role in ecosystem

They provide shelter for small fish who hide in their tentacles that sting, while also supporting marine food chains, and indicate the health of an ocean

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What is a group of jellyfish called?

A group of fascinating underwater creatures like the jellyfish are called a bloom, a swarm or a smack

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