Sea urchins are sphere-shaped or flat creatures that live in the ocean and are completely covered in protective spines. On the tips of these spines are tiny claw-like pincers called pedicellariae ...

The calcium-filled spines that a sea urchin sting can leave behind can be difficult to remove from the skin. Prompt extraction of them, however, can prevent further injury. Sea urchins are a group ...

A diver demonstrates the painful consequences of stepping on a sea urchin, revealing how its sharp spines penetrate the skin and the challenges of removing them. The video highlights the importance of ...

Sea urchins are covered in protective spines that can sting and stay in the skin. While they're not usually fatal, WebMD suggests that they can lead to swelling, redness and pain.

The most easily recognisable sea urchins are round, often brightly coloured and covered in sharp-looking spines. In fact, ‘urchin’ comes from an old word for hedgehog owing to their similar-looking ...

He reported removing sea urchin spines after a patient fell onto one of the creatures, leaving spines embedded as far as the bone. Nick Pappas / SWNS. And it’s never a dull day at the office.

Sea urchins feed on kelp. (Image credit: Georgette Douwma via Getty Images) In NSW, eastern rock lobsters are thought to be important urchin predators. The species has been over-fished in the past ...

Last year, sea urchins in the Caribbean started getting sick — shedding their spines, dying off and throwing reef ecosystems into chaos. Now, scientists think they’ve caught the killer in this ...

The spines of sea urchins are stiff, strong, and lightweight. These spines are made of a brittle mineral called calcium carbonate, which is similar to synthetic ceramics, ...

A team of researchers uncovered the mystery, which saw long-spined sea urchins losing their spines in just a matter of days and dying in "droves," a press release from the University of South ...