The sea otter pup was tiny, probably less than 2 weeks old, alone in Morro Bay on an October morning earlier this year. A ...

With their pointy spines, sea urchins are not warm and fuzzy marine animals that people want to snuggle up to. While they are ...

Sea otters play a vital role in their ecosystems by controlling sea urchin populations. Without otters, urchins can overgraze kelp forests, causing widespread destruction. By keeping urchins in check, ...

Their disappearance, combined with a massive marine heat wave called “the blob,” set off a cascade of catastrophic ecological changes that turned these kelp biodiverse hot spots into vast sea urchin ...

For the first time, scientists have cryopreserved and revived the larvae of a sea star species. The breakthrough, made with the giant pink star, gives hope the technique could be repeated to save the ...

California wildlife officials have extended a ban on abalone harvesting in Northern California until 2036 for environmental ...

Ruby the sea otter's 10-year odyssey along the West Coast began as a 1-day-old pup, when someone spotted the abandoned ...

Sea urchins are ecosystem engineers, the marine equivalent of mega-herbivores on land. By grazing and shredding seaweed and ...

By Jill Miranda Baker The agenda included close encounters with sharks, rays, manatees, penguins, sea otters, octopuses, ...

A sudden, unexplained mass die-off is decimating sea urchins around the world, including catastrophic losses in the Canary ...

The Canary Islands may represent the “missing link” in a global pandemic killing sea urchins. Sea urchins help build and maintain marine habitats in much the same way that large plant-eating animals ...

Researchers at University of Tsukuba identified a brain-like cluster of neurons in sea urchin larvae, traditionally considered lacking a brain, that regulates light-responsive behavior. These neurons ...