Restoring underwater kelp forests by culling overgrazing sea urchins would deliver significant financial benefits, a new ...

There are five biomes PEAK players can explore as they ascend to the top of the island, each of which features new terrain ...

The turquoise water of Hōnaunau Bay in Hawaii, an area popular with snorkelers and divers, is teeming with spiny creatures that could erode the reef past the point of no return, new research has found ...

Many pier fishermen in Southern California still eat DDT-contaminated fish, while government efforts struggle to address the ...

9. Flower Urchin (Toxopneustes pileolus) Urchin. Image via unsplash. This visually striking sea urchin, found in the Indo-Pacific region, has venomous pedicellariae capable of delivering a painful ...

More information: Kelly J. van Woesik et al, Scaling-up coral reef carbonate production: Sea-urchin bioerosion suppresses reef growth in Hawaiʻi, PLOS One (2025). DOI: 10.1371/journal.pone.0324197 ...

The poison-tipped spines were in both feet and his hand from brushing away the sand. La Sasso spent the evening on his back as a doctor from another team dug into his feet with a scalpel and needle.

The poison-tipped spines were in both feet and his hand from brushing away the sand. La Sasso spent the evening on his back as a doctor from another team dug into his feet with a scalpel and needle.

The red sea urchin found in the shallow waters of the Pacific Ocean is one of the Earth's longest-living animals. The small, spiny creature can last for more than 200 years with few signs of ...

From social media ads to billboards, PowerPoint presentations to feature films, you're free to modify, resize and customize every asset on iStock — including all Sea Urchin images and footage — to fit ...

Sea urchins While they might look like spiky puffballs underwater, these creatures are best left at peace. While they are not all poisonous, stepping on these spiked structures can leave you with a ...