But even though the earliest traces of starfish stretch all the way back to the Paleozoic era, they're not a sea creature ...

This is not a masked vigilante or part of the Dark Knight's arsenal, but it is a cool species of starfish. The bat sea star got its name because of the batwing-like webbing between its rays (arms).

The sunflower sea star is a big starfish — more than 3 feet across — that roams the ocean floor in orange, yellow and purple. These invertebrates can grow as many as 24 arms, and they’re ...

This story appears in the June 2011 issue of National Geographic magazine. The sea star—often called a starfish, though it's no more a fish than it is a sheepdog—ranks with the most ...

View Full Profile. Learn about our Editorial Policies. Deep in the underwater world, animals like starfish use unusual ways to escape predators. In an act called autotomy, starfish shed one or more of ...

While earlier studies had shown that some starfish that live in shallower, brighter water have and use compound eyes, no one had previously looked at animals occupying the sea floor. “What you see in ...

Factors cited in the report include an outbreak of the coral-devouring starfish, rising sea temperatures, runoff of red soil from development projects on land, and discharge of insufficiently ...

"Tens of thousands" of stranded starfish have been washed up on the ... Mr Davies photographed thousands of the stranded sea creatures on Coppet Hall Beach in Pembrokeshire.