sea-urchin haul She lent me a custom-made tool and showed me where to look, how to measure my take, how to lob the urchin into a mesh bag underwater. I pried the urchins from their perches.

Tuna Poke And Sea Urchin Tostada. By Wes Avila. I ate Ono Seafood’s poke in Honolulu in 2013 and came back and started doing poke tostadas right away.

The Pacific purple sea urchin's appetite for kelp threatens marine ecosystems along the California coast as it ravages the "lungs of the ocean." The solution, biologists say, might be on our plates.