8,283 results
8,283 results for: Fish
- Paleontology
Could Spinosaurus swim? The fierce dinosaur ignites debate
Researchers are still divided about whether Spinosaurus was a swimmer or a wader. What’s clear is that confirming the first swimming dinosaur would be a game-changer.
- Animals
The ‘Mekong ghost’ megafish has resurfaced after an extinction scare
Rediscovery of giant salmon carp in Cambodia sparks hope for the rare fish’s survival and efforts to conserve one of the greatest diversity hot spots.
- Animals
Cricket frogs belly flop their way across water
Cricket frogs were once thought to hop on the water’s surface. They actually leap in and out of the water in a form of locomotion called porpoising.
- Animals
Videos capture orcas’ tricks for taking down the largest fish on Earth
Citizen science videos document for the first time how orcas coordinate an attack against whale sharks.
- Animals
This fish has legs — and it uses them for more than just walking
Some sea robins have taste buds on their six crablike legs that help the fish ferret out prey buried in sand as they walk.
- Neuroscience
Some healthy fish have bacteria in their brains
Animals including mammals usually protect their brains from infiltrating microbes that can cause disease. But some fish seem to do just fine.
- Life
Early human ancestors didn’t regularly eat meat
Chemicals in the tooth enamel of Australopithecus suggest the early human ancestors ate very little meat, dining on vegetation instead.
- Life
The ‘Blob,’ an unprecedented marine heat wave, killed 4 million seabirds
Millions of other animals may have perished too, suggesting the die-off event might be one of the worst in modern times.
- Paleontology
Earth’s first waterfowl may have lived in Antarctica 69 million years ago
A few fossilized body parts hinted at an enigmatic bird's close ties to waterfowl like ducks and geese. A newfound skull may bolster that idea.
- Paleontology
Despite new clues, this ancient fish has stumped scientists for centuries
The 50-million-year-old Pegasus volans isn't closely related to seamoths or oarfish, like some researchers have suggested. But what is it?
- Animals
Wild baboons don’t recognize themselves in a mirror
In a lab test, chimps and orangutans can recognize their own reflection. But in the wild, baboons seemingly can’t do the same.
- Animals
Feeding sharks ‘junk food’ takes a toll on their health
Many blacktip reef sharks in French Polynesia are commonly fed by tourists. But the low-quality diet is changing the sharks’ behavior and physiology.
