This short video shows how we obtain eggs and sperm from the tropical sea urchin Lytechinus variegatus. Students Tess Bender and Jessie Spears have been using these eggs and sperm to examine the ...

Pandemic killed off sea urchins in the Red Sea Linked to pathogen which kills fast and violently Sea urchins feed on algae that block out sun if unchecked Researchers warn pandemic heading towards ...

The pointy shell of sea urchins hides a remarkably complex neural network that resembles the brains of vertebrates, new research suggests. Reading time 2 minutes When it comes to taking hardcore ...

Lobsters are widely accepted as the key predator of sea urchins, and this information has informed management strategies in NSW to control exploding sea urchin numbers that threaten temperate reefs.

Instead, Parker-Jones dives for his catch, using a couple hundred feet of air line from his boat, rather than a scuba tank, to go after his target: a little creature that looks like a spiky tennis ...

Longspined sea urchins are native to temperate waters around New South Wales. But as oceans heat up, their range has expanded more than 650km, through eastern Victoria and south to Tasmania. Their ...