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 ...

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 ...

Sea star wasting disease has devastated starfish populations in North America, driving some species to the brink of extinction. New research has identified Vibrio pectenicida bacteria as the cause of ...

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An unassuming starfish species found around the world has a shocking amount of DNA hidden inside its cells. The brooding brittle star (Amphipholis squamata), which has a tiny disk-shaped body and long ...

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 ...