With coral reefs struggling worldwide, a South Florida project called Reefline is creating underwater art installations to give fish shelter, help corals thrive and protect the iconic coastline.

Playa del Carmen looks like paradise. And it is. But even paradise has its pitfalls. As someone who’s called Mexico’s Caribbean coast home, I’ve seen how easily a dream vacation can take a wrong turn.

Each piece, including the sculptures, is designed to restore coral, but also attract marine life, including crabs, lobsters and an array of reef fish. “This isn’t just a reef, it’s a ...

Bottom-water temperatures influence the productivity of groundfish, like cod, haddock, pollock and several species of flounder, which prefer cooler water. Lobster, the most valuable fishery in the ...