Researchers say the swimming crab likely entered the bottle as a juvenile before growing too large to squeeze back through ...

When you think about crabs, you probably picture an angry little creature shuffling sideways while pinching its claws in the air. However, these sideways walks are not the only form of movement of ...

An adult chimera crab was about the size of a quarter with big eyes that took up about 16 percent of its size. Pictured: An artist's rendition of what the crab may have looked like. Masato Hattori via ...

Sargassum swimming crabs live in floating seaweed in the Atlantic, Caribbean and Gulf of Mexico (renamed by the U.S. government as Gulf of America). They are camouflaged and small but aggressive ...