Search results for Sharks

Plants & Animals Jul 16, 2025

Some Australian dolphins use sponges to hunt fish, but it's harder than it looks

Some dolphins in Australia have a special technique to flush fish from the seafloor. They hunt with a sponge on their beak, like a clown nose.

Plants & Animals Jul 11, 2025

Some sharks in the north Atlantic may delay their fall migrations south

Certain migratory species of sharks may remain swimming and feeding in Atlantic Ocean waters in areas of the northeast coast for longer periods of time later into fall before they head toward southern waters. Led by researchers ...

Plants & Animals Jul 11, 2025

Bull sharks linger in warming Sydney waters

Bull sharks are lingering off Sydney's beaches for longer periods each year as oceans warm, researchers said Friday, predicting they may one day stay all year.

Plants & Animals Jul 9, 2025

Former shark fishermen now work to protect the animals

They hesitated at first, but the fishermen jumped into the water after realizing how calm the tiger sharks were, said Chelsea Black.

Bio & Medicine Jul 9, 2025

Novel nanostructures in blue sharks reveal their remarkable potential for dynamic color-change

New research into the anatomy of blue sharks (Prionace glauca) reveals a unique nanostructure in their skin that produces their iconic blue coloration, but intriguingly, also suggests a potential capacity for color change.

Plants & Animals Jul 9, 2025

Study points to Skagerrak as nursery area for the enigmatic Greenland shark

The Greenland shark—the world's longest-living vertebrate—is most often associated with cold Arctic waters. However, a new international study led by researchers from the Greenland Institute of Natural Resources and the University ...

Plants & Animals Jul 3, 2025

Scientists study behavior of Pacific sleeper shark in deep-sea habitat

Scientists have studied the predatory behavior of sharks in deep-sea ecosystems. This research provides insights into the behavior and distribution range of Pacific sleeper sharks. The research is published in the journal ...

Plants & Animals Jul 2, 2025

Biologgers on large sharks show rays wielding a shocking defense strategy in the wild

While more traditional defense methods like camouflage, venom and spines appear ineffective against large sharks and mammals, electric rays are sending out electric discharges to fend off sharks in dangerous waters, said ...

Plants & Animals Jul 2, 2025

Illegal shark product trade evident in Australia and New Zealand

Research from the University of Adelaide's School of Biological Sciences and Wildlife Crime Research Hub has highlighted evidence of shark products entering both Australia and Aotearoa/New Zealand, including clear patterns ...

Other Jun 28, 2025

Saturday Citations: Upside-down sharks; brain network functioning in psychopaths; IQ associated with better predictions

This week, biologists discovered a new cellular organelle that's like "a new recycling center within the cell." Wild-growing tomatoes in the Galápagos are de-evolving. And geologists at the University of Southampton detected ...

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