Shark Eggs May Simply Stop Hatching Under Climate Change

New research finds that eggs belonging to the small-spotted catshark will have a much harder time surviving under the worst case climate scenario by 2100.

High Temperatures and Low Oxygen Choke Out Thousands of Fish in the Gulf

Thousands of dead marine animals covered the shores of beaches Brazoria County, Texas this past weekend.

Hammerhead Sharks ‘Hold Their Breath’ When Deep Diving

The sharks close their gills to stay warm while diving to frigid depths.

Whale Sharks Keep Crashing Into Ships

Collisions with vessels happen a lot more often than previously thought, new research finds.

Rare Baby Ghost Shark Spotted Off the Coast of New Zealand

This deep ocean fish is hardly ever seen by humans, and babies are even more elusive.

Not to Alarm Anyone, but Scientists Taught Goldfish to Drive

In tests, the fish used their motion-operated vehicle to earn a food reward.

Sharks ‘Amassing’ on the East Coast Is Totally Normal, Uprising Not Imminent

Online shark trackers are making the coastline look swarmed by the fish. But all is totally well.

Florida’s Red Tide Is Driving Hundreds of Sharks Into Canals

It's a dangerous situation for local residents and the sharks.

Fish Can Get Addicted to Methamphetamine

New research shows how methamphetamine—a drug often found in waterways—alters the behavior of brown trout.

Mammals Can Breathe Through Their Intestines, Unsettling Experiment Finds