8,299 results
8,299 results for: Fish
- Ecosystems
Coastal dead zones expanding
The number of coastal areas known as dead zones is on the rise. A new tally reports more than 400 of the oxygen starved regions worldwide.
- Life
Female frogs play the field
A female frog insures a safe home for her young by mating with many males.
- Life
Fish glowing red
Plenty of reef creatures fluoresce red, even where seawater absorbs red sunlight.
- Life
First lipid hormone discovered
An omega-7 fatty acid made by fat and liver cells acts as a hormone, even mimicking the health benefits of insulin.
- Life
FDA releases guidelines for genetically modified animals
Draft rules lay out policies for approving altered animals, including those used for food.
- Humans
Stone Age seafood fans
Excavations in two Gibraltar caves suggest that Neandertals, like modern humans, regularly visited the Mediterranean shore to complement a land-based diet with seafood
- Life
Old fish, new fish, red fish, blue fish
A difference in vision in cichlids in Lake Victoria could be pushing a species to split into two.
- 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 […]
