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 ...

Researchers in Japan have discovered a new species of starfish. The discovery came about thanks to collaborative work among researchers, fishers, and aquarium and museum staff. The starfish, which has ...

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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 ...

“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 ...

Researchers have revealed the evolutionary history of the crown-of-thorns starfish -- a predator of coral that can devastate coral reefs. Their findings shed light on how the populations of these ...

Here’s a reminder that biology is oftentimes more complicated than headlines can make it out to be. Scientists in the UK have found evidence that the so-called “love hormone” oxytocin plays a very ...

Australia is home to some of the world's most beautiful reefs. This includes the lush Great Southern Reef, which wraps around Australia's southern coastline, and the world-renowned Great Barrier Reef.

Researchers have discovered a fossil of the earliest starfish-like animal, which helps us understand the origins of the nimble-armed creature. Researchers from the University of Cambridge have ...

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 ...