News tagged with bull shark
Sharks pose Sydney food-chain puzzle
Mar 29, 2009 |
4.5 / 5 (2) |
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Three shark attacks in Sydney in three weeks drove newspapers and talk show hosts into a feeding frenzy and sent a collective shudder through the other species at the top of the food chain -- humans.
Search results for bull shark
Ocean's fiercest predators now vulnerable to extinction
Biology /
Feb 17, 2008 |
3 / 5 (3) |
2
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 ...
As sharks dwindle, new laws enacted
May 28, 2007 |
4 / 5 (1) |
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Shark fisheries in Mexico and throughout the world are dealing with proposed rules to curb shark hunting in the interest of preserving these predators.
Boy finds giant shark tooth
Other Sciences / Archaeology & Fossils
Mar 11, 2008 |
4.1 / 5 (7) |
0
A 9-year-old Florida boy found a 5-inch-long fossil of an ancient shark tooth buried in the sand on an Egmont Key beach.
Negligible impact on public safety from shark cage diving operations
Jul 15, 2009 |
not rated yet |
0
A study by five university researchers -- including four from the University of Hawaii at Manoa -- concludes that existing shark cage diving enterprises in Hawai'i have a negligible effect on public safety.
Great hammerhead shark sets litter record
Biology /
Jun 29, 2006 |
3.1 / 5 (17) |
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A great hammerhead shark caught off the Gulf Coast of Florida last month was reportedly pregnant with 55 "pups" -- setting a record.
Behavioural tests probe ray and shark colour vision
Biology /
Apr 10, 2007 |
4 / 5 (2) |
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University of Queensland researchers have shown stingrays, once thought to be colour-blind, may be capable of seeing in colour.
Revised shark kill estimates are announced
Oct 03, 2006 |
4.3 / 5 (10) |
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A U.S. ocean conservation organization estimates as many as 73 million sharks are killed each year worldwide for their valuable fins.
Preserved shark fossil adds evidence to great white's origins
Other Sciences / Archaeology & Fossils
Mar 12, 2009 |
4.3 / 5 (6) |
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A new University of Florida study could help resolve a long-standing debate in shark paleontology: From which line of species did the modern great white shark evolve?
Testing the force of a shark's bite
Biology /
Jul 31, 2007 |
3 / 5 (1) |
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Scientists are building a three dimensional computer model to test the ‘bite force’ of the Great White shark using data from a shark caught in beach nets off Australia's NSW Central Coast.
Over 50 percent of oceanic shark species threatened with extinction
Biology /
May 22, 2008 |
1 / 5 (1) |
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The first study to determine the global threat status of 21 species of wide-ranging oceanic pelagic sharks and rays reveals serious overfishing and recommends key steps that governments can take to safeguard populations. ...
List of search results for bull shark
