(Click to enlarge) Great white shark. (Credit: Davidpstephens/Fotolia) A new study from an international team of scientists found commercial fishing vessels target shark hotspots, areas where sharks tend to congregate, in the North Atlantic.(From Science Daily) -- The researchers suggest that sharks are at risk of being overfished in these oceanic hotspots.Neil Hammerschlag, research [...]
Sawfish and sawsharks are aptly named for their long, serrated snouts. These jags may look like teeth, but they’re actually modified versions of denticles—the hardened scales that cover the skin of sharks and rays. Recently, scientists have wondered whether the structures could provide clues to the origin of true teeth, which also may have evolved from skin denticles.
Off the western coast of Mexico's Baja California, Guadalupe Island is a shark mecca, drawing people from around the world hoping to catch a glimpse of one of these majestic creatures. Divers recently exploring the area weren't disappointed.
Anticipated changes in climate will push West Coast marine species from sharks to salmon northward an average of 30 kilometers per decade, shaking up fish communities and shifting fishing grounds, according to a new study published in Progress in Oceanography.
Pacific sleeper sharks, a large, slow-moving species thought of as primarily a scavenger or predator of fish, may be preying on something a bit larger -- protected Steller sea lions in the Gulf of Alaska.
Sharks in no-fishing zones in the Great Barrier Reef (GBR) Marine Park are more abundant when the coral is healthy, according to a study published September 10, 2014 in the open-access journal PLOS ONE by Mario Espinoza from James Cook University, Australia and colleagues.
The increasing acidification of ocean waters caused by rising atmospheric carbon dioxide levels could rob sharks of their ability to sense the smell of food, a new study suggests.
If you’re one of those people who doesn't like having your picture taken, here's some dubious advice courtesy of a great white shark: try to eat the camera.
A new study shows that some shark species may be able to cope with the rising salinity of Arctic waters that may come with rising temperatures.
The Great White Shark is not endangered in the Eastern North Pacific, and, in fact, is doing well enough that its numbers likely are growing, according to an international research team led by a University of Florida researcher.
Speculation that a great white shark that went missing off Australia may have been devoured by another great white is making the Internet rounds this week, raising the question of whether it was an instance of shark cannibalism.