Long-spined sea urchins have emerged as an environmental issue off Australia's far south coast. Native to temperate waters around New South Wales, the urchins have expanded their range south as oceans ...

Australian scientists have found an unlikely accomplice in the fight against an exploding sea urchin problem that is stripping the continent's temperate reefs bare. The East Australian Current is ...

This is a preview. Log in through your library . Abstract Latitudinal gradients in the strength of biotic interactions have long been proposed, but empirical evidence for the expectation of more ...

Sea urchins play a vital role in maintaining the delicate balance of coral reef ecosystems by feeding on algae that compete ...

Purple sea urchins, beware: There’s a purple urchin-eating predator on the horizon — and its name is the sunflower sea star. That’s the plot line coming from a small upstart research facility in Moss ...

A recent boom in the purple sea urchin population off the southern Oregon Coast appears to have had an indirect and negative impact on the gray whales that usually forage in the region, a new study ...

What you can see in this YouTube clip is very different from most of the underwater footage that you will come across online. It features a diver picking up sea urchins using a metal tool and breaking ...

They are members of the phylum Echinodermata, which first appeared during the Cambrian explosion. Their list of close relatives includes starfish, sand dollars (themselves irregular, flattened sea ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Rebecca Vega Thurber, University of California, Santa Barbara (THE CONVERSATION) ...