While there is much dividing the countries that border the turquoise waters of the Red Sea, the fate of the black sea urchin shows their shared interest in trying to preserve a unique marine ...

Huang and Bailey got to talking about sea urchin harvesting and the urgent need to reduce purple sea urchin numbers in Oregon ... Sea urchins in general are valuable. Red sea urchins — which are more ...

Warming waters and over-hunting the marine mammals that once brought balance to the ecosystem have led to an overpopulation of Pacific purple sea urchins. And while sprawling urchin barrens sound like ...

One of the biggest drivers in bull kelp loss appears to be a boom in purple sea urchin populations. The urchins multiplied around the time a mysterious disease decimated sea star populations ...