News tagged with scalloped hammerhead
Hammerhead shark double whammy
Identity confusion between a new, yet unnamed shark species, originally discovered off the eastern United States by Nova Southeastern University Oceanographic Center (NSU-OC) researchers, and its look-alike ...
Mar 26, 2012 |
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Scientists trace shark fins to their geographic origin for first time using DNA tools
Millions of shark fins are sold at market each year to satisfy the demand for shark fin soup, a Chinese delicacy, but it has been impossible to pinpoint which sharks from which regions are most threatened ...
Dec 01, 2009 |
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Search results for scalloped hammerhead
Scientists can track origin of shark fins using 'zip codes' in their DNA
An international team of scientists, led by the Institute for Ocean Conservation Science at Stony Brook University, has used DNA to determine that groups of dusky sharks (Carcharhinus obscurus) and copper ...
Apr 27, 2011 |
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One-third of world's sharks, skates and rays face extinction
They call it the "Jaws" effect. Inspired by the 1975 movie about a great white shark that terrorized a tourist town, legions of fishermen piled into boats and killed thousands of the ocean predators in shark fishing tournaments.
Nov 04, 2010 |
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Hammerhead shark study shows cascade of evolution affected size, head shape
The ancestor of all hammerhead sharks probably appeared abruptly in Earth's oceans about 20 million years ago and was as big as some contemporary hammerheads, according to a new study led by the University ...
May 18, 2010 |
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Protection for 2 shark species fails at UN meeting
(AP) -- Asian nations on Tuesday blocked U.S.-backed proposals to protect the heavily fished hammerhead and oceanic whitetip sharks on concerns that regulating the booming trade in fins could hurt poor coastal ...
Mar 23, 2010 |
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Sharks threatened by Asian consumers, says group
(AP) -- Surging demand for shark fin soup among Asia's booming middle classes is driving many species of these big fish to the brink of extinction, a marine conservation group said Tuesday.
Mar 16, 2010 |
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Wide heads give hammerheads exceptional stereo view
Hammerhead sharks are some of the Ocean's most distinctive residents. 'Everyone wants to understand why they have this strange head shape,' says Michelle McComb from Florida Atlantic University. One possible ...
Nov 27, 2009 |
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Third of open ocean sharks face extinction: study
A third of the world's open water sharks -- including the great white and hammerhead -- face extinction, according to a major conservation survey released Thursday.
Jun 25, 2009 |
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Ocean's fiercest predators now vulnerable to extinction
The numbers of many large shark species have declined by more than half due to increased demand for shark fins and meat, recreational shark fisheries, as well as tuna and swordfish fisheries, where millions of sharks are ...
Biology /
Feb 17, 2008 |
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New research reveals shark superhighways and hotspots
The world’s sharks are disappearing. These fearsome yet charismatic fish continue to fall victim to overfishing and many are now at risk of extinction as a result. New research shows that open-ocean sharks are particularly ...
Biology /
Feb 17, 2008 |
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Overfishing large sharks impacts entire marine ecosystem, shrinks shellfish supply
Fewer big sharks in the oceans mean that bay scallops and other shellfish may be harder to find at the market, according to an article in the March 30 issue of the journal Science, tying two unlikely links in the food web to ...
Biology /
Mar 29, 2007 |
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List of search results for scalloped hammerhead
