Search results for Sharks

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 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

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 ...

Plants & Animals Jul 23, 2024

Cocaine found in muscle and liver of sharpnose sharks off coast of Rio de Janeiro

A team of marine biologists and ecotoxicologists affiliated with several institutions in Brazil has found cocaine in muscle and liver samples collected from Brazilian Sharpnose sharks harvested off the coast of Rio de Janeiro. ...

Ecology Jul 23, 2024

Off Ecuador's Galapagos, a former shark-poaching ship's new mission

When Ecuador's navy seized a Chinese-flagged ship off the Galapagos Islands in 2017, its hold brimmed with tons and tons of poached fish, many of them threatened species like hammerhead and thresher sharks.

Plants & Animals Jul 18, 2024

New study identifies potential protection areas for critically endangered sharks in Türkiye

Three potential Critical Angel Shark Areas (CASAs) have been identified in the Eastern Mediterranean, specifically in Türkiye's Fethiye Bay and Antalya Bay, which are part of the Turkish Riviera, and the Çanakkale or Dardanelles ...

Plants & Animals Jul 18, 2024

Baby bull sharks are thriving in Texas and Alabama bays as the Gulf of Mexico warms

In late spring, estuaries along the U.S. Gulf Coast come alive with newborn fish and other sea life. While some species have struggled to adjust to the region's rising water temperatures in recent years, one is thriving: ...

Plants & Animals Jul 15, 2024

DNA tests confirm shark that bit California swimmer was juvenile white shark

A shark that bit a swimmer in Del Mar last month, leaving the man hospitalized with significant wounds, was a juvenile white shark, likely around 9 feet long and 6 to 8 years old.

Ecology Jul 12, 2024

On NYC beaches, angry birds fight drones patrolling for sharks and struggling swimmers

A fleet of drones patrolling New York City's beaches for signs of sharks and struggling swimmers is drawing backlash from an aggressive group of seaside residents: local shorebirds.

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