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Giant Clam Mantle
Photograph by Tim Laman
Iridescent spots surround the mantle of a giant clam in Palau, Micronesia. The mantle is a fleshy outer layer that secretes the clam's shell.
Iridescent spots surround the mantle of a giant clam in Palau, Micronesia. The mantle is a fleshy outer layer that secretes the clam's shell.