Starfish, or sea stars, are brilliant and resilient ocean creatures. These bottom-dwelling echinoderms have a central disc body covered in tough calcium carbonate skin that helps provide support ...

“There’s been a lot of work over the years on vision in a variety of fish from shallow water to the deep sea, but there hasn’t been much at all done on vision in animals that sit on the bottom ... had ...

Meet the crown-of-thorns starfish. But don t ever touch one. This huge, 18-inch-wide starfish comes covered in sharp venomous spines that can land you in the hospital if you tried to pick one up ...