However,a small, colorful creature called the long-spined sea urchin is destroying kelp in some areas.

VOA: special.2009.08.25

The evidence suggests that a 100-year-old red sea urchin is just as apt to live another year, or reproduce, as a 10-year-old sea urchin.

BBC: NEWS | Science/Nature | Red sea urchin 'almost immortal'

Come here for the finest sashimi, sushi, Wagyu beef tartare and slivers of sea urchin.

BBC: Insider��s guide to London

He recently created an all-orange dish of nasturtium blossoms, sea urchin and sweet potatoes.

WSJ: Petal Pushers: Chefs Pick Edible Flowers