Beneath the ocean’s surface lies a world of perpetual darkness, home to some of Earth’s most bizarre and fascinating ...

Sea scallops are part of the bivalve family because the animals inside create their own shells through the secretion of calcium carbonate, according to the Ocean Conservancy. The animals swim by ...

Ammonites' shells make the animals look most like nautiluses, but they are actually thought to be more ... Zoë explains, 'Nautilus survived probably because it lives deeper in the ocean. Deeper ...

The green turtle is a large, weighty sea turtle with a wide, smooth carapace, or shell. It inhabits tropical and subtropical coastal waters around the world and has been observed clambering onto ...

and sea angels (right) that lose their shell when they reach adulthood. These creatures have adapted from a life on the sea floor to a life in the open ocean, with their muscular foot transformed ...

It’s a cinematic lunchtime ritual but not an unusual one. In the wild, sea otter diets consists of shelled creatures like clams, sea urchins and crabs. Smashing your meal against a rock is just ...