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IN PHOTOS: Blue Button marine colonies spotted on Mumbai’s Chowpatty shore
Updated On: 30 April, 2026 09:52 PM IST | Anushree Gaikwad
Blue Buttons, jellyfish-like marine colonies, washed ashore at Mumbai's Chowpatty as shifting sea currents and winds signal the approaching monsoon. (Pics/ Special Arrangement)

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The Blue Button is a small, jellyfish-like organism that lives a free-floating life on the sea surface
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This is not a single animal; it is a colony of several ‘zooids’

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According to experts, Blue Buttons drift wherever winds and surface currents take them
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When sea temperatures rise or cyclonic winds intensify, these floating organisms are pushed closer to the shore, which can be seen as a small but visible sign of changing ocean conditions

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Despite their jellyfish-like appearance, Blue Buttons are colonies of hydroid polyps, not a single organism. They drift on the ocean’s surface, carried by winds and currents, and use stinging cells to catch plankton for food.
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