All mollusks build their own shells, whether they live in water or on land. Creatures like snails, clams, oysters and mussels use an organ called a mantle to secrete layers of calcium carbonate, which ...

Sea butterflies flit through the ocean on gossamer wings, each species with a style of its own. These tiny marine snails, or thecosomes, migrate up to surface waters at night to feed and sink to ...

Over the past two decades, the Gulf of Maine has become a popular landing spot for invasive species from across the world, ...

Whether in the garden, the forest, or on the sidewalk–many want to help the defenseless mollusks, such as when they risk being run over on the asphalt. Most would probably just pick up the snail by ...