8,280 results
8,280 results for: Fish
- Genetics
Male zebrafish sex tool stops fin regeneration
Tiny, spiked structures on the pectoral fins of male zebrafish help them hold females steady while mating. However, the structures produce a protein that seems to hinder the fish’s ability to regenerate fins.
- Paleontology
Fossils suggest ancient sharks survived extinction event
Diving down deep in the ocean may have helped the fish live through the Great Dying 350 million years ago.
- Animals
Deer and other animals can survive being impaled
Whether they are hunting shots gone wrong or something more sinister, stories of animals surviving such misfortunes are not uncommon.
- Animals
The hottest guy guppies stand out in a crowd
A new study shows that sexy male guppies are the ones who stand out the most, the rarest in the crowd. But what is the rare male effect for?
- Chemistry
Why death smells so deadly
Pinning down animals' odor detectors gives researchers a way to study aversion or attraction to certain objects. And understanding how these behavioral responses work will help researchers clarify why humans feel disgust.
- Animals
Migration is a deadly time for raptors
For a bird or any other animal that migrates a long distance, it’s sure to face a host of dangers. The story is no different for raptors.
- Animals
Dazzle camouflage may fool a locust
The bold zig-zag patterns that adorned naval ships during the world wars also appear in nature and may bewilder locusts, a new study suggests.
- Animals
Grizzly bears get stressed from salmon decline
Grizzlies in coastal British Columbia bulk up on salmon in the fall, but they experience stress when the fish are scarce.
- Animals
Leaping land fish avoids predators by blending in
The Pacific leaping blenny avoids being eaten by predators by blending into its rocky habitat.
- Animals
A gory 12 days of Christmas
Insects and spiders are among the biggest gift-givers, often as part of mating, and anything from cyanide to a wad of saliva can be a present.
- Animals
A year of rediscovered species
Thousands of species go extinct each year, but at least a few are found after many years of being lost.
- Archaeology
Animal mummies were a message direct to the gods
A new theory about the purpose of animals mummified by ancient Egyptians proposes that the cats, ibises and other dead critters were more than just simple sacrifices.
