Cushion starfish is a catch-all term for a variety of starfish species. They are distinctive for their rounded bodies and short arms. The round shape is built on a calcium-rich structure that defends ...

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NEWPORT, Ore. – In an old industrial warehouse, Tiffany Rudek leaned into a chest-high tank. Using a laminated card, she gently pried a red-speckled sea star from the enclosure’s bright blue walls.

Add Yahoo as a preferred source to see more of our stories on Google. Square-shaped starfish are usually cushion starfish, whose rounded, inflated bodies can appear angular in rare cases. Unusual ...

Starfish are classed as echinoderms, a word which comes from the Ancient Greek for “hedgehog skin.” There are many types of starfish and this one is particularly adapted to living in sandy, muddy ...

A close examination of a collection of starfish in the Smithsonian revealed even more starfish inside those starfish. By Darren Incorvaia Christopher Mah, a biologist at the Smithsonian, was scouring ...

“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,” says ...

Reef fish, such as emperors, tropical snappers and rockcods, help keep numbers of crown-of-thorns starfish in check on the Great Barrier Reef, according to a new study from the Australian Institute of ...

Animals and plants around the world are not randomly distributed. They appear to follow trends and patterns. But it's often difficult to figure out if the patterns we see in the natural world actually ...

With a large variety of starfish in the ocean, there are many unique appearances that can be surprising. One example is the cushion starfish. These marine animals are famous for their inflated bodies ...

A square starfish may seem like a contradiction, but such creatures do exist. While it may sound unreal, these strangely shaped starfish are rare but do exist in the ocean. There are a few reasons why ...