5 articles
Pale, decorator-clad and living on open sand rather than reef: how the white sea urchin feeds, spreads and quietly differs from its barren-making relatives.
Dr. Mara Ellison ·
Kina is Aotearoa's endemic sea urchin — treasured kaimoana, a kelp grazer, and the engineer behind New Zealand's barren reefs. Here is its biology and its story.
Dr. Mara Ellison ·
The purple sea urchin turned patches of California kelp forest into barrens. Learn its biology, its hidden hunger, and why it is both villain and victim.
Dr. Mara Ellison ·
The red sea urchin can live a century, grows to dinner-plate size, and feeds the uni trade. Meet the kelp forest's most venerable grazer — and its fishery.
Dr. Theo Nakamura ·
Cape Kamui's cliffs, water so clear it earned the name 'Shakotan blue', kombu forests and a legendary uni fishery — a Coastal Atlas guide to Hokkaido.
Tom Okafor ·