News tagged with sharks
Related topics: fish , species , coral reefs , fossil
96 percent of vertebrates -- including humans -- descended from ancestor with sixth sense
(PhysOrg.com) -- People experience the world through five senses but sharks, paddlefishes and certain other aquatic vertebrates have a sixth sense: They can detect weak electrical fields in the water and use ...
Oct 11, 2011 |
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Disappearing act of world's second largest fish explained
Researchers have discovered where basking sharks - the world's second largest fish - hide out for half of every year, according to a report published today in Current Biology. The discovery revises scient ...
May 07, 2009 |
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Scientists film hagfish anti-shark slime weapon
(PhysOrg.com) -- The hagfish found in New Zealand’s deepest waters is grotesque enough, thanks to its scary protruding teeth straight from a horror film. Now, scientists have witnessed the full ...
Oct 28, 2011 |
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Dynasty of plankton-eating giants from Age of Dinosaurs revealed in new study
(PhysOrg.com) -- Giant plankton-eating fish filled the prehistoric seas for more than 100 million years before they were wiped out in the same event that killed off the dinosaurs, new fossil evidence claims.
Other Sciences / Archaeology & Fossils
Feb 18, 2010 |
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Scientists discover megalodon shark nursery
(PhysOrg.com) -- University of Florida researchers have discovered a 10-million-year-old Neotropical nursery area for the extinct megalodon shark in Panama, providing fossil evidence the fish used these areas ...
Other Sciences / Archaeology & Fossils
May 11, 2010 |
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Leviathans battle in remote depths: Great white sharks may migrate so they can dine on giant squids
In what could be the ultimate marine smack-down, great white sharks off the California coast may be migrating 1,600 miles west to do battle with creatures that rival their star power: giant squids.
Mar 12, 2010 |
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Algae-Based Biofuel From Fish
Right now, when biofuel is produced using algae, cultures are grown and then processed into fuel. But the process is expensive and difficult. Now a company in Texas, LiveFuels, Inc., hopes that it will be ...
Sep 01, 2009 |
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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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Shark smell myth found fishy
Everyone knows that sharks have an amazing sense of smell. Toss a chunk of salmon into the shark tank at the Monterey Bay Aquarium in California, and you can see it in action.
Oct 13, 2010 |
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Jaws -- 4 million BC
It might sound like a mashup of monster movies, but palaeontologists have discovered evidence of how an extinct shark attacked its prey, reconstructing a killing that took place 4 million years ago.
Other Sciences / Archaeology & Fossils
Mar 16, 2010 |
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Plesiosaur a victim of shark attack
(PhysOrg.com) -- An 85 million-year-old plesiosaur fossil has been found with over 80 shark's teeth, suggesting the animal was the victim of sharks in a feeding frenzy. The find is perhaps the most spectacular example of ...
Other Sciences / Archaeology & Fossils
Oct 06, 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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Scientists worry about ocean energy's effect on sea-creature migration
Without maps or GPS, great white sharks travel thousand of miles roundtrip from California to Hawaii or Australia to South Africa. Sea turtles hatched on the beaches of Florida travel the currents of the North Atlantic Gyre ...
Dec 28, 2010 |
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Study of shark virgin birth shows offspring can survive long term
Shark pups born to virgin mothers can survive over the long-term, according to new research published Jan. 25, 2010 in the Journal of Heredity. The study shows for the first time that some virgin births can result in via ...
Jan 25, 2010 |
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Wild sharks, redfish harbor antibiotic-resistant bacteria
Scientists have found antibiotic-resistant bacteria in seven species of sharks and redfish captured in waters off Belize, Florida, Louisiana and Massachusetts. Most of these wild, free-swimming fish harbored ...
Jun 16, 2010 |
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