Coral Reefs

coral with Miami skyscrapers in the background

The Corals That Shouldn’t Exist

Beneath Miami’s skyscrapers, a colony of corals defies expectations—and offers insight into other undersea urban ecosystems.

Latest in Coral Reefs
coral reef in Moorea, French Poynesia
The Curse of Dead Corals

When heat waves bleach reefs, do dead coral skeletons help or hinder recovery?

crown-of-thorns starfish on a reef
How to Kill a Million Sea Stars

Synthetic pheromones offer a promising new means of controlling troublesome crown-of-thorns starfish.

Layers of Life
Layers of Life

On a crowded coral reef, species often make their homes on top of one another (literally), living lives that are tightly intertwined both biologically and evolutionarily.

Beguiling Intruder

Lionfish are hungry, long-lived, and extremely fertile invaders in their new-found Atlantic home.

Spawning an Intervention

To help corals survive the myriad threats they currently face, an international team of scientists is mastering the art and science of raising coral babies.

boxer crab (Lybia tessellata)
Double Fisted

Grabbing ahold with both claws, a crab defends itself—and steers the course of another species’ evolution.

coral
Lens of Time: Growing Against the Odds

As reefs endure another onslaught, scientists are taking a closer look at how corals live and grow—and what may enable some of them to persist in a changing world.

A school of twinspot snapper (Lutjanus bohar) use the complex structure of coral reefs for shelter. Photograph by Brian Zgliczynski/100 Island Challenge
Picture of Health

Despite myriad threats, some coral reefs are thriving, or rebounding, suggesting it may be far too early to write the obituary for these critical ecosystems.

The torpedo-like form of the Caribbean reef shark (Carcharhinus perezii) and the intricate matrix of waving sea fans are prime examples of how form follows function in an ecosystem shaped by thousands of years of evolution.
Farm to Reef

Cuba’s sustainable farming practices could provide a recipe for restoring struggling coral reefs around the world.