Search results for Sharks

Ecology Aug 3, 2024

Oceans without sharks would be far less healthy, says new research

There are more than 500 species of sharks in the world's oceans, from the 7-inch dwarf lantern shark to whale sharks that can grow to over 35 feet long. They're found from polar waters to the equator, at the water's surface ...

Plants & Animals Aug 2, 2024

Great white sharks secretly roam through Bahamas

It's incredibly rare to spot a great white shark in the waters around the Bahamas, but a new study published in the journal Frontiers in Marine Science shows they visit the area more often than people realize.

Plants & Animals Aug 2, 2024

Big sharks equal big impact, but there's a big problem: Those most affected by fishing are most needed for ocean health

Shark conservation must go beyond simply protecting shark populations—it must prioritize protecting the ecological roles of sharks, according to new research published in Science.

Plants & Animals Jul 31, 2024

Who needs males? Female sharks make babies alone in Italy

Italian researchers have noted the first case of "virgin birth", or reproduction without fertilization, in an endangered shark species, a scientific journal reported this week.

Biotechnology Jul 30, 2024

Injury dressings in first-aid kits reveal shark species

Scientists have revealed that injury dressings found in first-aid kits can reliably be used to identify shark species involved in bite incidents by deploying medical gauze to gather DNA samples from aquatic equipment, such ...

Plants & Animals Jul 29, 2024

Birds of a feather flock together but great white sharks have swum apart 'forever'

Great white sharks separated into three distinct population groups up to 200,000 years ago and continue to mix only within these separate groups, new research has found.

Ecology Jul 29, 2024

The Galapagos Islands and many of their unique creatures are at risk from warming waters

Warm morning light reflects from the remains of a natural rock arch near Darwin Island, one of the most remote islands in the Galapagos. In clear, deep blue water, thousands of creatures—fish, hammerhead sharks, marine ...

Plants & Animals Jul 27, 2024

Two shark species documented in Puget Sound for first time

Oregon State University researchers have made the first scientific confirmation in Puget Sound of two distinct shark species, one of them critically endangered.

Plants & Animals Jul 24, 2024

Female whale shark with satellite transmitter for record-breaking four years shows consistent migrations

A team of researchers at the University of Rhode Island and Nova Southeastern University in Florida have been tracking a 26-foot endangered whale shark—named "Rio Lady"—with a satellite transmitter for more than four ...

Plants & Animals Jul 24, 2024

New way to analyze riblet denticles on modern great white sharks sheds light on swimming speed

A team of engineers and zoologists affiliated with several institutions in Japan has developed a new way to study riblet denticles on shark skin. In their study, published in the Journal of the Royal Society Interface, the ...

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