8,271 results
8,271 results for: Fish
- Earth
What’s happening to German eelpout?
Reproductive anomalies in eel-like fish may represent good markers of exposure to hormones or pollutants that mimic them.
- Paleontology
Earful of data hints at ancient fish migration
Small bony growths that developed in the ears of fish more than 65 million years ago are providing a wealth of information about the species’ environment and lifestyle.
- Health & Medicine
Heart drug derails algal toxin
A drug for treating high cholesterol might someday find use relieving the debilitating symptoms of poisoning from some algal toxins.
- Earth
More fish survive if plankton bloom early
Data collected by Earth-orbiting satellites and oceangoing trawlers suggest that juvenile haddock of Nova Scotia are more abundant in years when plankton populations peak earlier than normal.
- Earth
Spawning Trouble: Synthetic estrogen hampers trout fertility
Exposure to a synthetic estrogen called ethynylestradiol, which is commonly found in birth control pills and enters the waterways through sewage effluent, reduces male trout’s fertility by half.
- Animals
Moonlighting: Beetles navigate by lunar polarity
A south African dung beetle is the first animal found to align its path by detecting the polarization of moonlight.
- Animals
The secret appetite of cleaner wrasses
The little reef fish that nibble parasites off bigger fish that stop by for service actually prefer to nibble the customers.
- Animals
Some female birds prefer losers
When a female Japanese quail watches two males clash, she tends to prefer the loser.
- Earth
Extracting Estrogens: Modern treatment plants strip hormone from sewage
New research helps explain why state-of-the-art sewage treatment facilities are more effective than conventional plants at removing certain sex hormones from sludge.
- Ecosystems
Shark Serengeti: Ocean predators have diversity hot spots
The first search for oceanic spots of exceptional diversity in predators has turned up marine versions of the teeming Serengeti plains.
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Did cavefish trade eyes for good taste?
Certain blind cave-dwelling fish in Mexico may have developed more taste buds and bigger jaws as they lost their eyes.
- Animals
Musical Pairs: Egg-deploying bird species divide for a song
A new genetic analysis bolsters the idea that musical taste, rather than geography, split Africa's indigobirds into multiple species.
