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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)

Often mistaken for jellyfish, Blue Buttons are small, floating marine colonies commonly seen on Mumbai’s beaches during this time of the year due to changing sea currents and winds. PICS/ SPECIAL ARRANGEMENT

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Often mistaken for jellyfish, Blue Buttons are small, floating marine colonies commonly seen on Mumbai’s beaches during this time of the year due to changing sea currents and winds. PICS/ SPECIAL ARRANGEMENT
The Blue Button is a small, jellyfish-like organism that lives a free-floating life on the sea surface

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The Blue Button is a small, jellyfish-like organism that lives a free-floating life on the sea surface

This is not a single animal; it is a colony of several ‘zooids’

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This is not a single animal; it is a colony of several ‘zooids’

According to experts, Blue Buttons drift wherever winds and surface currents take them

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According to experts, Blue Buttons drift wherever winds and surface currents take them

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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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

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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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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