Sick sea stars are lethargic, lose their arms and disintegrate into gooey masses. More than 90% of sunflower sea stars were killed.

It took more than a decade for researchers to identify the cause of the disease.

After 90% loss of global sunflower sea star population in 10 years, researchers hope decline can now be tackled

Sick sea stars are lethargic, lose their arms and disintegrate into gooey masses. More than 90% of sunflower sea stars were killed.