Helicoprion: Scientists solve mysteries of ancient 'shark' with spiral-toothed jaw
(Phys.org)—Using CAT scans and making 3-D virtual reconstructions of the jaws of the ancient fish Helicoprion, Idaho State University researchers have solved some of the mysteries surrounding large spiral ...
Scientists sound alarm at Arctic Ocean's rapid acidification
Scientists expressed alarm on Monday over the rapid acidification of the Arctic Ocean caused by carbon dioxide emissions, which could have dire consequences on the region's fragile ecosystem.
'Judas' fish could help wipe out Asian carp
Methods used to eradicate feral pigs and goats in Hawaii, Australia, the Galapagos Islands and southern United States could be employed in Minnesota to fight the Asian carp invasion.
Wildfires light up western Australia
Careful observers of the new "Black Marble" images of Earth at night released this week by NASA and the National Oceanic and Atmospheric Administration have noticed bright areas in the western part of Australia ...
Coral comeback: Reef 'seeding' in the Caribbean
Mats of algae and seaweed have shrouded the once thick coral in shallow reefs off Jamaica's north coast. Warm ocean waters have bleached out the coral, and in a cascade of ecological decline, the sea urchins ...
Scientists confirm first two-headed bull shark
(Phys.org) —Scientists have confirmed the discovery of the first-ever, two-headed bull shark.
New quest to study 'living fossil' coelacanth
French and South African biologists will dive to deep-sea caves in the Indian Ocean next month in a bid to locate the coelacanth, the "living fossil" fish whose history predates the dinosaurs, France's National ...
Robofish grace glides with the greatest of ease
(Phys.org)—A high-tech robotic fish hatched at Michigan State University has a new look. A new skill. And a new name.
Shark found to have bioluminescence on both dorsal spine and belly
Local dig uncovers new species of ancient fish
(Phys.org) —Researchers from The Australian National University (ANU) working on the New South Wales south coast have discovered a new species of ancient fish, after unearthing the largest fossilised lobe-finned ...
Texas wildlife center works to save nearly extinct bird
Like a preening Texas cowboy strutting his stuff on a barroom dance floor, the testosterone-stoked little guy is doing his best to attract a cute hen.
From ocean to land: The fishy origins of our hips
New research has revealed that the evolution of the complex, weight-bearing hips of walking animals from the basic hips of fish was a much simpler process than previously thought.
Overfishing of small species causes jellyfish curse
Marine biologists say they have proof that excessive trawling of small fish species leads to proliferation of jellyfish, a worsening phenomenon whose causes have been unclear.
Unusual anal fin offers new insight into evolution
(Phys.org) —An unusual fossil fish that has fins behind its anus could have implications for human evolution according to a scientist at The University of Manchester.