Overfishing

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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 in...
A public service announcement uses a dramatic example to emphasize that ocean...
Dr. Mahmood Shivji explains how shark DNA is used as evidence to prosecute...
A new wave of farming has come to the ocean. It’s called aquaculture. And it’s...

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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 affects the food web, ecosystem...
Cashes Ledge is an underwater mountain range off the New England coast,...
The Oculina deep-sea coral reef at top has not been disturbed by humans—but...

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by Caty Fairclough Sharks have been feared hunters ever since people first observed them swimming in the vast ocean. Yet...
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...
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...
This offshore cage is stocked with 70,000 Pacific threadfin ( Polydactylus sexfilis ), or moi. Aquaculture can provide a sustainable way to satisfy the demand for this Hawaiian delicacy, once...
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...
This illustration shows whalers of the early 1800s with their highly profitable catch.
This sea lion has been caught in killed in a giant drift net, or a “curtain of death,” as photographer Tom Woodward calls them. These giant drift nets, placed around the world’s oceans to catch...
This is North Atlantic right whale #3333 who was spotted with fishing gear trailing from his mouth during an aerial survey off the coast of Georgia on January 29, 2008. Entanglement is one of 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...
As a consumer, you can choose what kinds of seafood to buy. Some species are in good supply and make excellent choices. Others have declined dramatically due to overfishing or environmental factors...
Worldwide, fisheries touch our lives in countless ways. If well maintained, they can feed millions of people, generate jobs and income, help maintain long-standing community and cultural traditions,...
Millions of sharks are caught each year for their dorsal fins, which are prized for shark fin soup. Top predators like sharks are important to maintaining biodiversity, and their removal can have...
Sit down with two veteran marine scientists, Dr. Nancy Knowlton and Dr. Jeremy Jackson, who fell in love with each other and the reefs of the Caribbean 40 years ago. Those reefs are now gone due to...
The Gulf of Mexico shrimp trawl fishery scoops up a lot of unwanted fish along with the shrimp. For every pound of shrimp caught, more than 4 pounds of other fish species were caught as bycatch and...
A public service announcement uses a dramatic example to emphasize that ocean fish aren’t as big as they used to be. Find out more about the decline in the ocean's top -- and often large -- predators...
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...
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.
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...
Watch as Dr. Dallas Alston and a team of researchers study the effects of aquaculture at a fish farm near Puerto Rico. With careful planning and good daily practices, aquaculture can be part of a...
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