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Extinction is a real possibility for three species of tunas. That’s one of the messages from a new study released today online in the journal Science . Researchers assessed the range and populations of...
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All over the world, people have been witnessing gigantic blooms of tens of...
Watch as Dr. Dallas Alston and a team of researchers study the effects of...
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We began this journey three months ago, a team of scientists and filmmakers...

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The Oculina deep-sea coral reef at top has not been disturbed by humans—but trawling has devastated the one at bottom. When fishermen trawl, they drag a net along the seafloor, destroying everything in its path. Only about 10...
In recent years, blooms of jellyfish, such as these moon jellies ( Aurita...
One of the biggest threats to sea turtles, such as the loggerhead turtle (...

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by Caty Fairclough Sharks have been feared hunters ever since people first observed them swimming in the vast ocean. Yet...
In the dark, cold waters 600 meters (nearly 2000 feet) below the ocean's surface, things happen slowly. Orange roughy ( Hoplostethus atlanticus ) , deep ocean fish that were once known as "slimeheads...
Cashes Ledge is an underwater mountain range off the New England coast, which is home to a great diversity of life. Because the rocky and steep peaks almost reach the surface in some areas, it is...
Bycatch, the name given to fish and other ocean animals that are caught unintentionally, is a huge problem. Scientists and fishermen are joining forces to design new nets that catch only the targeted...
Guitarfish, rays, and other bycatch are tossed from a shrimp boat in La Paz, Mexico in 2006. Many species caught as bycatch are never monitored, and, insofar as they have important roles in the...
In recent years, blooms of jellyfish, such as these moon jellies ( Aurita aurita ) in the Chesapeake Bay, have become more common around the world for a number of different reasons . One result of...
Orange roughy ( Hoplostethus atlanticus ) is a deep ocean fish that grows and matures at a sluggish rate compared to most shallow water fish. They don't reproduce until they are at least 20 years old...
A new wave of farming has come to the ocean. It’s called aquaculture. And it’s a way to grow and harvest mussels and other healthy, tasty types of seafood. Explore other videos that capture the...
This photo of Kingman’s Reef in the Line Islands shows what a healthy coral reef should look like. The water is crystal clear. A variety of richly colored corals carpet the seabed. And a native...
By-catch, illegal fishing, sport fishing, loss of prey and habitat and shark nets are threatening Great White Shark ( Carcharodon carcharias ) populations globally. More about the great white shark...
This illustration shows whalers of the early 1800s with their highly profitable catch.
A skate is among the many bycatch species caught in this shrimp trawl net. More about sustainable seafood can be found in our sustainable seafood featured story .
Dr. Demian Chapman of the Institute for Ocean Conservation Science at New York’s Stony Brook University explains how DNA extraction from shark fins can identify the species of shark and where the...
by Caty Fairclough Sharks have been feared hunters ever since people first observed them swimming in the vast ocean. Yet today, sharks are declining rapidly on a global scale because humans have...
Dr. Mahmood Shivji explains how shark DNA is used as evidence to prosecute shark fin poachers . What is shark finning? Find out here .
An abandoned fishing net carrying 17 dead sea turtles was discovered off the coast of Bahia, Brazil days after a storm. One of the biggest threats to sea turtles is being accidentally caught and...
Seafood vendor at historic Pike Place Market in Seattle, Washington (USA). The market draws both shoppers and gawkers who come to watch the gregarious crew of fishmongers.
Every year in Sardinia, Italy. tuna is fished using a large fixed net anchored on the bottom for the purpose to keep the fish inside to grow calm. One of the oldest tuna fishing methods in the...
Since 1987, researchers have been tracking Phoenix, one of the last North Atlantic right whales living today. It's estimated that there are fewer than 500 of these whales alive today. Read her story...
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