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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...
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...
CREDIT: Wikimedia User “Fisherman” Because of consumer demand for sashimi (a...

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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...
"We too are sea creatures," entreats ocean explorer Sylvia Earle in this beautiful short film, which calls for protecting the ocean and, in particular, for ending destructive fishing practices. It's...
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...
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...
When snorkeling in the Kahekili Herbivore Fisheries Management Area (KHFMA) in West Maui, I keep an eye out for certain kinds of fish. Not the brightest or the biggest, but those herbivores such as...
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...
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...
Imagine that you're a shark swimming beneath the surface, minding your own business, when—smack!—you swim right into a net. Entangled, you are unable to keep swimming forward to draw water over your...
A team from the Center for Coastal Studies works to free a one-year-old right whale from the fishing ropes wrapped and knotted around its body and flippers. The whale is Kingfisher, #3346 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...
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.
A longshoreman stands in front of a large pile of oyster shells on waterfront pier in Atlantic City in 1910. Back then, oysters were incredibly abundant. In the late 1800s, fishermen pulled in 10...
Buyers examine tuna lining the floor of Tsukiji Fish Market in Tokyo, Japan. Ounce per ounce, tuna is one of the most valuable varieties of seafood. In 2012, a single 593lb bluefin tuna sold for $736...
Reef biologists over a certain age are haunted by memories of what glorious places Caribbean reefs once were. In our youth we studied them for all sorts of reasons but scarcely thought about reef...
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...
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...
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...
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...
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...
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