Flanked by the Arabian sea on one side and flush with lakes, rivers and ponds, Thiruvananthapuram has been blessed with an abundance of water bodies. However, not many of us have bothered to keep a close watch on the health of these blue and green waterscapes that define the landscape, cuisine and culture of the State or to understand what lies beyond the golden beaches and beneath the glittering blue of the Arabian sea. That has been earmarked for a few specialists studying the seas or perhaps fisherfolk and mussel gatherers who depend on the sea for their livelihood. However, for the last 15 years or so Paul Calvert, an environmentalist and entrepreneur, has been documenting the rich marine life in the waters around Kovalam and Vizhinjam.

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