Researchers are pioneering a system in Arkansas to turn winter-idle rice fields there into productive fish farms, potentially offering environmental benefits and a new revenue stream for growers.

When it comes to seafood, larger fish, like tuna, salmon, cod, mahi mahi, trout, and swordfish, usually get all the attention. They’re more likely to be found on restaurant menus, in sushi rolls, and ...

"So, rallying people behind a very small fish—a 4-inch minnow that lives only in a few streams—is very inspiring," Gomez said. Providing avenues for people to get involved has been huge, Gomez said, ...