8,280 results
8,280 results for: Fish
- Ecosystems
Fish shrinkage reversible, but better hurry
In an experiment, scientists show that, although it takes generations, fish can rebound from evolutionary pressures created by selective harvesting, which has pushed some populations to become small and slow-growing.
- Earth
Goo gives eels just the right buoyancy
Scientists survey the specific gravity of 25 marine critters.
- Ecosystems
Too much intermingling puts native trout in trouble
Even a small amount of hybridizing may cause problems for the native westslope cutthroat trout.
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- Life
Wild herring prove fast organizers
Recent technology helps researchers find out how a bunch of fish turn into a shoal.
- Animals
Chimps ambidextrous when digging wells
A survey of water-collection holes dug on the banks of an African river by wild chimpanzees indicates that, unlike people, these apes don’t have a preference for using either the right or left hand on manual tasks.
- Animals
Sonar causes rock-concert effect in dolphins
Test of recorded sonar causes temporary hearing impairment in dolphins.
- Animals
Oh, he’s such a lab bird
Bold flycatchers may be more likely than shy birds to get trapped for lab studies.
- Health & Medicine
Seemingly misplaced DNA acts as lenses
Nocturnal animals orient DNA in retinal cells to focus light.
- Plants
Landscaper’s darling hybridizes into an environmental nuisance
Variation underlies the Callery pear tree’s transformation .
- Animals
Basking sharks head south for winter
Satellite-tagging data suggest that basking sharks migrate south to the Caribbean in winter.
- Paleontology
Ancient fish with killer bite
Dunkleosteus clamped down on prey with three-quarters-of-a-ton bite force.
