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TATAKOTO, FRENCH POLYNESIA - NOVEMBER 30: A giant clam (Tridacna maxima) sits on the reef among a Porites lobata coral colony on November 30, 2021 in Tatakoto, French Polynesia. The small giant clam is a bivalve mollusk found in Polynesian coral reefs, recognizable by its wavy shell and uniquely patterned, colorful mantle. It plays a crucial role in filtering water and maintaining reef ecosystems but is threatened by overfishing and excessive harvesting. Tatakoto, a remote atoll in the Tuamotu Archipelago of French Polynesia, is surrounded by a lagoon teeming with marine life. However, like other regions worldwide, its corals experience bleaching events due to prolonged periods of high water temperatures. (Footage by TAM PROD/Getty Images)