8,283 results
8,283 results for: Fish
- 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.
- Earth
Indonesian reefs fell prey to fires
The fires that swept through Indonesian rain forests late in 1997 apparently laid waste to some marine ecosystems, as well.
- Paleontology
Ratzilla: Extinct rodent was big, really big
Scientists who've analyzed the fossilized remains of an extinct South American rodent say that the creatures grew to weigh a whopping 700 kilograms.
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Estrogen Shock: Mollusk gene rewrites history of sex hormone
Estrogen and similar hormones evolved much earlier than thought.
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Breathless: Reef fish cope with low oxygen
A coral reef may look like a high-oxygen paradise, but the first respiration tests of fish there show an unexpected tolerance for low oxygen.
- Health & Medicine
Do Arctic diets protect prostates?
Marine diets appear to explain why the incidence of prostate cancer among Inuit men is lower than that of males anywhere else in the world.
- Earth
Flaming Out? Days may be numbered for two fire retardants
The maker of two controversial flame-retardant chemicals has voluntarily initiated negotiations with the federal government to end their production.
- Earth
Seals’ meals, plastic pieces and all
Bite-size pieces of plastic chipped from wave-battered consumer products work their way up marine food chains, suggests a study of fur seals in Australia.
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Underwater balancing act
Researchers have identified a gene that influences the growth of crystals in the inner ears of zebrafish and found that modifying this gene can cause the fish to lose their sense of gravity.
- Earth
Sewage linked to fish-gender quirks
Releases from sewage treatment plants appear to impair reproductive tissues in fish.
