It’s a single cell, it’s the size of a grape, and it propels itself across the ocean floor: Behold the Bahamian Gromia — one of the strangest beasts yet discovered in the briny deep. Gromia sphaerica, as the organisms are known, are superbig amoebas, growing up to 1.5 inches in diameter. They were first discovered in 2000 in the Arabian Sea, and have since been found in various locations around the world.
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Single-cell organism an inch wide
