8,280 results
8,280 results for: Fish
- Life
Bicoastal Atlantic bluefin tuna
Mediterranean and western Atlantic bluefin tuna spend more time in mixed groups than previously thought, suggesting management strategies need to be revisited.
- Life
Tough times for mammals
Between a fifth and a third of the world’s mammal species face the threat of extinction.
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18922
“Dyslexia gets a break in Italy” brought to mind a remark I learned in grade school decades ago. It is: In English, the word fish can be spelled ghoti. That’s gh as in tough, o as in women, and ti as in nation: “ghoti” = “fish.” English can be difficult. Norman C. Peterson Sata Monica, […]
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18931
Your article on marine no-take zones overly simplifies a much more complicated problem. The idea that at least some kinds of fish might be more plentiful and larger if they are not harvested over a period of years doesn’t really need much scientific study. However, this benefit is probably limited to specific species. For many […]
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18938
In grad school, I read and learned from Ernst Mayr’s Populations, Species, and Evolution (1963, 1970, Harvard University Press). I think that “Alarming butterflies and go-getter fish” extremely simplifies Mayr’s position on speciation. The article says that Mayr focuses solely on geographic separation, “allopathic speciation.” This ignores the fact that Mayr discussed a variety of […]
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18943
“Salmon hatcheries can deplete wild stocks” ignores a basic fact. Hatchery stocks came from wild stocks. Their DNA is the same. There is an abundance of underused habitat in our northwest rivers. Some hatchery salmon would use these habitats if they were left alone. Instead, hatchery fish are clubbed to death to prevent their mixing […]
- Animals
How the ghost shark lost its stomach
The lack of a digestive organ in fish and other animals is linked to genetics.
- Genetics
Top genomes of 2013
Scientists continue to decode the genetic blueprints of the planet’s myriad flora and fauna.
- Microbes
Gut bacteria respect diets, not borders
Malawian and Guahibo gut microbiomes resembled those of herbivorous mammals, while American guts were more similar to carnivores’.
- Animals
Dog-paddle science debunks notion of underwater trot
From Newfoundlands to Yorkshire terriers, canines swim with similar, distinctive gait.
- Math
Tomorrow’s catch
A biologist who formerly applied his mathematical talents in finance has developed new ways of predicting the ups and downs of fish populations.
- Earth
Creativity offers insights into the past and future
With the long-term future of many fisheries in doubt and severe drought once again hitting the Southwest, coming up with new insights into the past and future on land and sea may be crucial to protecting some of our most precious resources.
