Fishing vessel Kaia. Photo courtesy of the Velsko family/ Sam Wolf photo credits A few weeks ago, my boat delivered a load of Pacific cod in Dutch Harbor, Alaska. While that’s a daily sight this time ...

Here, we see the crane in happier times, as a crew member hits a pinata. The ship heads home after it's filled up. The f/v Rollo could hold as many as 200,000 Opilio crabs or 150,000 King crabs.

In contrast, the "Opilio species," which is mainly caught in South Korea and Japan, is a popular variety in Japan. In South ...