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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" because...
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Since 1987, researchers have been tracking Phoenix, one of the last North...
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...

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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...
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...
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...
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...
"Tens of millions of sharks are killed each year, often only for their fins. I have wrestled with how to take pictures of dead sharks that resonate with readers. One morning, I jumped into the sea in...
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...
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...
The impacts of derelict fishing gear on the Northwest Hawaiian Islands coral reef ecosystem are numerous. A primary effect of reef entanglement is structural damage to the coral substrate that...
Alaskan king crab fisheries are on the rebound after years of unsustainable exploitation. New regulations mean that immediately after a haul is brought on board, the crabs are sorted and all females...
This map is based on electronic tagging of Atlantic bluefin tuna ( Thunnus thynnus ) from 1996 to 2007. A team of international researchers officially classified the Atlantic bluefin as endangered in...
Sea turtles may have survived the planetary changes that killed the dinosaurs, but now they are threatened by fisheries. It's estimated that some 4,600 sea turtles are killed by fishing nets and...
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 .
Tom Peschak, a photojournalist with the Save Our Seas Foundation, describes the devastating effects shark nets have on ocean life along the South African coastline. The nets were installed to protect...
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...
The Kemp’s ridley is a “riddler” among sea turtles . Although the species was initially recognized in 1880, scientists didn't know where it nested until 80 years later, when a film documenting about...
What is it like to be eyeball to eyeball with a fish the size of a Volkswagen? In this episode of the Podcast of Life , learn how a tuna fisherman and a biologist are teaming up to tag bluefin tuna...
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...
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...
These statistics come from a United Nations Food & Agriculture Organization 2007 review of the status of global fish stocks. Learn more in our Sustainable Seafood section .
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