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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...
Forensics is a key tool for enforcing the laws and treaties that protect marine animals. Investigators in a recent case used DNA analysis to track down and convict sea turtle poachers. All seven...
A North Atlantic right whale with a deep wound caused by entanglement in fishing gear floats at the surface in the Bay of Fundy on August 1, 1999. Crew members on the International Fund for Animal...
When a critically endangered North Atlantic right whale becomes entangled in fishing gear, members of a response team from the Atlantic Large Whale Disentanglement Network spring into action. In the...
When it comes to many of our once-favorite seafoods, there aren't always plenty more fish in the sea. In fact, some studies estimate that up to 90 percent of large predatory fish (those that eat...
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...
What would happen if we let our fear of sharks lead people to kill them all? This is the question Joe Hanson asks in this video from PBS Digital Studios. Find out about how the removal of sharks...
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.
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...
When people go out fishing, they often have something specific in mind, but it's very difficult to catch only what you're looking for. Pulling a net through the water or across the sea floor catches...
Giant clams are one of the many wonders of coral reefs. They can grow up to five feet wide, weigh over 400 pounds, and live for 100 years! They power all that bulk by filter feeding microbes and...
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...
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...
Bycatch, or accidentally caught species, can make up a very high percentage of the haul in shrimp trawl nets. However, some of these “trash” species are now being used, rather than discarded, and new...
In the early 1990s, the annual commercial harvest of Atlantic bluefin tuna doubled, reaching a peak of 25 kilograms (55 million pounds). More about sustainable seafood can be found in our Sustainable...
We began this journey three months ago, a team of scientists and filmmakers traveling the East African coastline by boat to document and research the status of coral reefs from South Africa to Kenya...
Most people have never heard of the Hawaiian petrel , an endangered, crow-sized seabird that spends the majority of its life searching for food over the North Pacific Ocean. Nevertheless, this bird...
Senegalese fishermen unload their catch. Traditional fishing has been a critical part of Senegal’s economy, contributing to the nation’s food security and providing jobs in many communities.
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...
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