8,283 results
8,283 results for: Fish
- 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.
- Genetics
Elephant shark genome small and slow to evolve
The animals have the smallest genome of non-bony fishes and the slowest-evolving genes among vertebrates, a study suggests.
- Earth
When testosterone gets down and dirty
Testosterone excreted by livestock can pass through soils, which may explain new findings of fish-altering hormonal activity in water downstream of cattle feedlots.
- Earth
Farmed salmon bring PCBs to the table
High concentrations of chlorinated organic contaminants in farm-raised Atlantic salmon may warrant limiting consumption of the otherwise-healthful fish to no more than once per month.
