The brightly coloured coral reefs of the Red Sea are an underwater paradise ... placing a dead black sea urchin - its body the size and shape of a flattened tennis ball - into my hands.

Even with the recent success, however, it remains to be seen if these mighty underwater ... purple urchin. After hungry purple urchins mow down kelp forest, they lay dormant on the sea bed in ...

“Eating sea urchins is actually a way to help the kelp,” said Lamb, pointing to people who are “diving and collecting urchins ...