Sharks

Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head.

Read more in the app

Mining the Deep Sea Could Erase Sharks We’ve Only Just Discovered

From gentle giants to ghostly hunters, sharks face an unseen peril

Sharks, rays, chimaeras further threatened by deep-sea mining - EurekAlert!

Ocean Water Could Soon Have a Shocking Effect on Sharks' Teeth

Reproductive flexibility in sharks and rays complicates conservation predictions - EurekAlert!

The ocean is getting more acidic, and it could affect sharks’ teeth

Sharks’ teeth are crumbling in acid seas

‘Built for cutting flesh, not resisting acidity’: sharks may be losing deadly teeth to ocean acidification - EurekAlert!

These Sharks Don’t Just Glow Blue – They Use Nanotech to Shift Color Underwater

Sharks Follow This Universal Math Rule, Confirming a Century-Old Law of Biology

Sharks Do Something Bizarre When Turned Upside Down, And We Don't Know Why

‘Jaws’ at 50: Scientists Are Still Studying the Mysteries of Sharks

50 years after ‘Jaws,’ sharks face their own terror

From fear to fascination: Mizzou wildlife ecologist challenges misconceptions about sharks - EurekAlert!

Sharks may use an unexpected organ to fight microbial invaders

Sharks rarely seen together may be up for sharing a meal too good to miss - EurekAlert!

Paying fishers to release sharks could backfire

Orcas Are Terrorizing Sharks, And The Consequences Could Be Profound

The Sounds of Sharks, Meaning behind Mars Molecule and Federal Cuts to Science and Health Agencies

Hear The First-Ever Recordings of Sharks Actively Making Noises