It's believed the sea urchin survived a snack attack by an aquatic lizard An amateur paleontologist has discovered a rare 66-million-year-old sea urchin on a beach in Denmark. Peter Bennicke ...

and have no natural predators, which is expected to lead to an increase in their population.” So while they want to know where the urchins are in the Gulf of Eilat in order to help them thrive, ...

Long-spined sea urchins have emerged as an environmental issue off Australia's far south coast. Native to temperate waters ...

Kelp forests decimated by sea urchins are being replanted in Port Phillip Bay in an attempt to rebuild the ecosystem.

The sea urchin (ikiriya in Sinhala) is a spiny, hard-shelled creature that lives on the rocky seafloor, usually in shallow waters. The globular marine invertebrate has long sharp spines all over its ...

Uni, or sea urchin, is a precious culinary delicacy at sushi restaurants and beyond. However, its population overgrowth is ...

Once living in a barren, sea urchins exist in a condition that is close to death. Though they have a limited food supply for a growing population, urchins continue to survive by absorbing just enough ...