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Blog Tags: Sharks

Deep Sea Sharks in Northeast Atlantic Still at Risk from Overexploitation, Warns Group

Deep sea sharks are over-exploited in Northeast Atlantic waters

Angular rough shark (Oxynotus centrina), a deep-sea shark species pictured off Spain. (Photo: Oceana)

The International Council for the Exploration of the Sea (ICES), a network of over 4,000 scientists, warn that sharks in deep waters in the Northeast Atlantic continue to face a bleak future. ICES provided recommendations for three deep-sea shark species—kite fin sharks, leafscale gulper sharks, and Portguese dogfish sharks—and advise that these sharks should not be involved in fishery activities.


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Video: Ocean Acidification Masking Sharks’ Sense of Smell

Ocean acidication hurts sharks' ability to smell food

Smooth dogfish (Mustelus canis). Acidic seawater has been found to impact their sense of smell. (Photo: EricksonSmith / Flickr Creative Commons)

Ocean acidification is already making it harder for fish to find friends, for corals to grow, and for mussels to remain attached to hard surfaces, just to name a few effects.


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Ocean Roundup: Gulf of Mexico Sharks are Shrinking, Caribbean Reefs Capable of Being Saved, and More

Shark sizes are decreasing in the Gulf of Mexico

A tiger shark. Researchers say some shark species are decreasing in size in the Gulf of Mexico. (Photo: Willy Volk / Flickr Creative Commons)

- Researchers say that some sharks in the Gulf of Mexico are decreasing in size, and in some cases are down by as much as 70 percent. The researchers analyzed data from annual shark rodeos over the last half century to come to the results, and say that finning and commercial fishing are significant factors in this decline. Houston Chronicle


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CEO Note: Progress for Sharks

Sharks conservation has made progress, but still needs your help

A dusky shark (Carcharhinus obscurus). (Photo: Richard Ling / Flickr Creative Commons)

If you’re like most ocean lovers, you’ve probably spent a few nights this week tuning in to Discovery Channel’s Shark Week. But as we celebrate our collective love of sharks, we should also take a moment to reflect on the many threats that sharks face.


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Poll Update: Great White Sharks Win as the Fan Favorite (Photos)

Great white sharks receive negative media attention

A great white shark (Carcharodon carcharias). (Photo: "White shark" by Pterantula (Terry Goss) at en.wikipedia - Derivative of w:Image:Whiteshark-TGoss5b.jpg. Licensed under Creative Commons Attribution 2.5 via Wikimedia Commons) 

In honor of Shark Week, we asked our audience on Tuesday to weigh in on their favorite shark species. Not surprisingly, great white sharks turned out to be the fan favorite!


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Video: Meet Some of the Most Famous Satellite Tagged Sharks

satellite tags help scientists learn more about sharks

Dr. Neil Hammerschlag, Dominique Lazzare, and Curt Slonim from the University of Miami measuring a Caribbean reef shark (Carcharhinus perezi) before tagging it onboard the Lat-Long shark tagging operation. (Photo: Oceana / Carlos Minguell)

From whales to sea turtles and caribou, both terrestrial and marine animals are satellite-tagged around the world. Satellite tags—radio transmitters that submit signals to orbiting satellites—are an effective way to study animal behavior, including foraging and migration patterns.


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Online “Tree of Life” is Your Ultimate Guide to Sharks, Rays, and Skates

There are over 350 shark species that exist

A Galapagos shark (Carcharhinus galapagensis). (Photo: Oceana / Eduardo Sorensen)

When you think of Shark Week, the chances are that you're picturing a great white or a hammerhead shark. Or, if you’re thinking about the ancient oceans, you’re likely picturing the Megalodon thanks to Shark Week. But the handful of celebrity shark species that get the most attention this week don't even begin to cover the incredible range of shark and ray species out there.


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Photos: Introducing Deep-Sea Sharks, Some of the Wildest Looking Fish in the Oceans

Deep sea sharks have special adaptations

Frilled Shark (Chlamydoselachus anguineus). (Photo: © Citron / CC-BY-SA-3.0, via Wikimedia Commons)

Did you know that over 350 shark species exist? Despite that massive number, most of the cartilaginous fish that get our attention are often the ones that frequent coastlines or are the most charismatic, like great white sharks and whale sharks.


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Poll: What’s Your Favorite Shark Species?

Favorite shark species

Caribbean Reef Shark (Carcharhinus perezi). (Photo: Oceana / Carlos Suárez)

In honor of Discovery’s Shark Week, The Beacon will be celebrating the wonders of sharks through Friday. With over 350 shark species, the class Chondrichthyes is full of biodiversity, from sawfish to manta rays and famous great white sharks.

This week, we’re asking our readers to weigh in your favorite shark species. You have until Thursday, August 14 at 11:59 p.m. to pick one of the shark species below (take a look beneath the poll for a glimpse of each species), and whichever shark gets the most votes will be featured on The Beacon on Friday with a full species bio.


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Photos: The 10 Coolest Facts You Never Knew about Sharks

Top ten cool shark facts

A school of scalloped hammerhead sharks (Sphyrna lewini). (Photo: Oceana / Rob Stewart)

From our obsession with shark-themed movies like “Jaws,” to our desire to collect shark teeth at the beach, there's no denying that humans have a fascination with these cartilaginous fish.

But, just how well do you know these creatures? Even if you consider yourself pretty knowledgeable about these species, there’s always something new to learn. Take a look below at ten cool shark facts that may make you look at these ancient creatures in a different light.


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