New research has uncovered a crucial clue to understanding the spread of "barrens" in the Great Southern Reef, which are ...

SPINY and globular, sea urchins are creating barren habitats in the Great Southern Reef, threatening its ecosystem.

Courtesy of Noma Sloan displays a sea urchin he plucked from the sandy seafloor ... urchins can be found in almost every major marine habitat from the poles to the Equator, and from shallow ...

"Without urchin subsides, we're likely to see fishing contract to northeast of the state, and barrens expand significantly in valuable abalone fishery habitat in the southeast," Dr. Keane said.

Considered a delicacy in several parts of the world, sea urchin, or uni in Japanese, is prized for its unique flavor. But the cost of the gonads — the orange tongues found inside an urchin ...

The sea urchin population in many coastal areas is on the increase, and this could have a negative impact on recreational activities associated with the coast. In certain areas, hundreds of these ...