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 ...

The sargassum swimming crab is a remarkable pelagic crustacean that thrives among the drifting mats of seaweed in the Atlantic Ocean, Caribbean Sea and Gulf of Mexico. Though primarily associated with ...

Scuba diving in a cave under the reef at 40 feet deep, then looking up at the dark ceiling of the cave right into the psychedelic eyes of a 7-inch wide blue and orange crab is quite exciting! The ...

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 ...