How sharks survived a major spike in Earth's temperature
The sharks we know today as the open ocean's top predators evolved from stubby bottom dwellers during a dramatic episode of global warming millions of years ago.
The sharks we know today as the open ocean's top predators evolved from stubby bottom dwellers during a dramatic episode of global warming millions of years ago.
Plants & Animals
Jun 3, 2024
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Sharks have persisted as powerful ocean predators for more than 400 million years. They survived five mass extinctions, diversifying into an amazing variety of forms and lifestyles. But this ancient lineage is now among the ...
Plants & Animals
Jan 11, 2024
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A skin resembling armor, rapid healing abilities, continuous tooth renewal and the capability for limb regeneration—this might sound like the description of a creature from a superhero film. Surprisingly, these are standard ...
A marine biologist at the University of Miami's Rosenstiel School of Marine, Atmospheric, and Earth Science, has documented a case of a silky shark with a regenerated dorsal fin, after much of it was lost due to maiming by ...
The Discovery Channel's annual Shark Week is the longest-running cable television series in history, filling screens with sharky content every summer since 1988. It causes one of the largest temporary increases in U.S. viewers' ...
Plants & Animals
Dec 1, 2022
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Shark fins and meat from hammerhead sharks pose a health risk to consumers—especially women of childbearing age—and should not be sold because of their dangerously high levels of toxic mercury, according to a new study.
Plants & Animals
Aug 23, 2022
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More than 70 percent of species that end up in the global shark fin trade are at risk of extinction—and sharks living closer to our coastlines might be of greatest conservation concern, according to new research.
Plants & Animals
Jul 19, 2022
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A team of researchers affiliated with several institutions in the U.S. has found that most shark fins sold around the world in fish markets come from sharks caught in coastal zones rather than in the open ocean. In their ...
It's "hammerhead" time according aerial drone footage of blacktip sharks fleeing to shallow waters when confronted by a huge predator along the coast of southeast Florida. Footage from the drone provides the first evidence ...
Plants & Animals
May 13, 2020
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Great white sharks fitted with cameras on their dorsal fins have been filmed for the first time stalking prey in dense kelp forests long thought to be no-go zones for the top-level predators.
Plants & Animals
Apr 3, 2019
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