The loss of one iconic species, sunflower sea stars, unleashed a voracious eater of seagrass habitats and upended the coastal ecosystem. But the response has opened new business opportunities.

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 ...

Researchers at University of Tsukuba examined how twin organisms can emerge from a single fertilized egg by studying sea urchin embryos. Their findings revealed that when an early-stage embryo is ...

Stunning footage of a baby sea urchin has been awarded fifth place in the annual Nikon Small World in Motion video competition.

The turquoise water of Hōnaunau Bay in Hawaii, an area popular with snorkelers and divers, is teeming with spiny creatures that threaten to push the coral reef “past the point of recovery,” new ...

Since the early 1900s, kelp-devouring spiny sea urchins have gradually been freed from the pressures of predation. Sea otters, who also love smashing a sea urchin or two, were overhunted for their ...

Harvesting sea urchin from the intertidal zone and preparing a delicious crab uni roll. This video showcases the process of gathering sea urchins and making the crab uni roll. #OutdoorChefLife #SeaUrc ...