“This is St. Peter’s fish, the fish Jesus fed the multitudes,” he says, his raspy voice resonating like a preacher’s. Unlike Jesus, however, Martin does not give his fish away. Each day he sells ...

Overfishing has put exorbitant stress on our oceans. But there is a solution: Aquaculture—otherwise known as fish farming—is the practice of growing and harvesting fish in a controlled, regulated and ...