The star, Pycnopodia helianthoides, reaches one metre in diameter and has as many as 24 arms. But it disintegrates in a few days when exposed to sea star wasting disease, whose cause is unknown.

We came across a Pin Cushion Sea Star during our dive! Here's everything you need to know about this amazing sea creature and why it's so fascinating! 🌊⭐ #SeaStar #MarineLife # ...

Since 2013, more than 20 sea star species from Mexico to Alaska have been affected by a sea star wasting disease. The sunflower sea star in particular, is among the worst hit. The outbreak has alarmed ...

Around 90% of the sea star population along North America's West Coast was wiped out over the last decade, according to scientists, but they say cold-water fiords are providing a refuge ...

Since 2013, 90% of the Pacific population of these sea stars has been lost to the gruesome and disfiguring sea star wasting disease. The disease outbreak is being driven by climate change, with warmer ...

B.C. researchers have found that the fiords of the Central Coast may be providing refuge for the critically endangered sunflower sea star, a discovery that could have implications for wider ecosystems ...