Scientists call long-spined sea urchins “the lawn mowers of the reefs” because they eat algae that could otherwise smother reef ecosystems and kill corals.
That’s why researchers affiliated with the University of Florida Tropical Aquaculture ... READ MORE
The long-spined sea urchin is an important species that helps keep coral reefs healthy.
When long-spined sea urchins in the Caribbean began to die in large numbers in early 2022, scientists jumped in and discovered that a ... READ MORE
On and off over the past four decades, scientists have tried a handful of times to restore sea urchins on coral reefs because they eat harmful algae that otherwise smother the ecosystems.
Results of a new collaborative study show promise ... READ MORE
Coral reef ecosystems are severely threatened by pollution, disease, overharvesting and other factors. For thousands of years, long-spined sea urchins helped keep reefs intact. They eat seaweed, which can kill or seriously damage coral. Without ... READ MORE
Invert Trivia: What group of invertebrate species shares these three distinctive features? 1) A body with five-part symmetry; 2) an internal skeleton made of calcium carbonate; and 3) a water vascular system of fluid-filled vessels that manifests ... READ MORE