brown bumpy exterior shells of oysters under the light reflection of water

Oysters are making a comeback on menus and in the water—for now

In the Chesapeake Bay, the once decimated oyster industry is having a renaissance. But the effects of climate change are a looming threat for farmers and oyster lovers.

Male and female oysters are used to spawn baby oysters at this University of Maryland hatchery. In 2019, unprecedented levels of melting snow and falling rain made the Choptank River, the lab's water source, too fresh for brackish-loving oysters to survive. Climate change is increasing precipitation in the mid-Atlantic, making freshwater events like this more likely.
This content is Subscriber-Exclusive
You must have a National Geographic subscription to explore this article.

Read This Next

Is banning fishing bad for fishermen? Not in this marine reserve
SeaWorld allegedly violated the Animal Welfare Act. Why is it still open?
'World’s worst shipwreck' was bloodier than we thought

Go Further

Subscriber Exclusive Content

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet