Australia's tropical fish are heading south into cooler waters. These fish are not just visiting. They are settling into the milder "temperate" reefs that used to be too cold for them. As they do, ...

A study has found concerning new evidence of long-term declines in coral reef fish around highly visited inshore islands of the Great Barrier Reef. Scientists surveyed reefs at 100 sites around the ...

Overfished coral reefs are producing far less food than they could. Researchers found that letting reef fish populations recover could boost sustainable fish yields by nearly 50%, creating millions of ...

Tropical reefs might look like inanimate rock, but these colorful seascapes are built by tiny jellyfish-like animals called corals. While adult corals build solid structures that are firmly attached ...

New research shows that international conservation efforts account for approximately 10 percent of fish stocks on coral reefs. New research from the University of Sydney shows that international ...

This video shows a green sea turtle swimming above a tropical coral reef, surrounded by schools of small reef fish and clear blue ocean water. Its large front flippers allow it to travel efficiently ...

When you think about climate change in our oceans, you may picture coral bleaching, melting sea ice, or extreme weather events. But beneath the ocean’s surface, another quiet shift is underway.