Extensive (~9500 sq. km) sponge and coral reef system discovered of the mouth of the Amazon river (from French Guiana to the Manuel Luis reef), underneath the river plume at a depth of about 30-100 m

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Extensive (~9500 sq. km) sponge and coral reef system discovered of the mouth of the Amazon river (from French Guiana to the Manuel Luis reef), underneath the river plume at a depth of about 30-100 m