Coral fights back against crown of thorns starfish

Coral can fight back against attacking juvenile crown of thorns starfish—using stinging cells to injure and even kill, showing that coral are not as passive as people may think.

One starfish to rule them all

At 480 million years old, this fossil is the oldest starfish-like creature ever discovered.

In changing oceans, sea stars may be 'drowning'

For more than seven years, a mysterious wasting disease has nearly killed off sea star populations around the world. Some of these species stand at the brink of extinction.

Crown-of-thorns eat themselves out of house and home

A world-first study on the Great Barrier Reef shows crown-of-thorns starfish have the ability to find their own way home—a behavior previously undocumented—but only if their neighborhood is stocked with their favorite ...

Crown-of-thorns enhance their growth by switching diets early

Crown-of-thorns starfish are renowned for eating coral and destroying coral reefs—but when juvenile crown-of-thorns first settle in reef environments they start out by eating rock-hard coralline algae. In a new study, Jennifer ...

Tackling coral reefs' thorny problem

Researchers from the Okinawa Institute of Science and Technology Graduate University (OIST) have revealed the evolutionary history of the crown-of-thorns starfish—a predator of coral that can devastate coral reefs. Their ...

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