8,233 results
8,233 results for: Fish
- Animals
Dolphins and humans team up to catch fish in Brazil
In Brazil, where humans and dolphins fish in tandem, cooperation both within and between species is essential for the longstanding tradition.
- Animals
How fish biologists discovered birds of paradise have fluorescent feathers
A survey of museum specimens reveals that more than a dozen species of the birds sport biofluorescence in feathers, skin or even inside their throats.
- Ecosystems
Like flyways for birds, we need to map swimways for fish
Mapping fish migration routes and identifying threats is crucial to protecting freshwater species and their habitats, ecologists argue.
- Animals
Narwhals may use their iconic tusks to play
Videos show narwhals using their tusks in several ways, including prodding and flipping a fish. It’s the first reported evidence of the whales playing.
- Archaeology
Ancient Central Americans built a massive fish-trapping system
Earthen channels directed fish into ponds that formed seasonally, providing a dietary bounty for Maya civilizations starting around 4,000 years ago.
- 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.
- 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
Fever’s link with a key kind of immunity is surprisingly ancient
When sick, Nile tilapia seek warmer water. That behavioral fever triggers a specialized immune response, hinting the connection evolved long ago.
- Animals
This bird’s eye view of a shark hunt won a photo contest
A snapshot of blacktip reef sharks hunting hardyhead silverside fish won the 2024 Royal Society Publishing Photography Competition.
- Animals
Is that shark ticking? In a first, a shark is recorded making noise
The ocean can be a symphony of fish grunts, hums and growls. Now add tooth-clacking sharks to the score.
- Archaeology
A digital exam reels in engraved scenes of Stone Age net fishing
Nearly 16,000-year-old portrayals of fish surrounded by nets had evaded detection until a new technique took magnification to a new level.
- Animals
Hammerhead sharks’ diets may affect if they roam or stay home
Understanding hammerhead sharks’ food preferences could aid efforts to protect the critically endangered fish.
