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Climate change delaying Blue Button sightings along Mumbai’s shores
Updated On: 08 November, 2025 08:29 AM IST | Mumbai | Ranjeet Jadhav
Experts say prolonged monsoon and cyclonic winds pushing marine organisms ashore later than usual

Blue Buttons have been sighted along the city’s coastline weeks after their usual season. Pic/By Special Arrangement
Is climate change altering the seasonal occurrence of marine species? With the monsoon stretching longer this year, nature enthusiasts exploring Mumbai’s coastline are spotting Blue Buttons (Porpita porpita) much later than usual.
Experts note that these harmless marine organisms typically appear before the onset of the monsoon, but their late arrival could be linked to changing climatic patterns.
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