An algal bloom in the Gulf of Mannar has reduced the oxygen levels, causing the death of various species including coral fish, sea cucumbers, sea turtles. The algae started proliferating due to lack of rains, water currents, nutrient-richness brought about by sewage. Due to this huge proliferation of algae, there were reports of death of marine life and the toll is estimate at 5000 fish and other species. After the recent rains, the algal blooms has subsided and waters are now clear.
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