8,270 results
8,270 results for: Fish
- Oceans
Oxygen in Black Sea has declined by more than a third since 1955
The Black Sea’s oxygen-rich surface layer shrank by more than a third from 1955 through 2013, compressing marine habitats and bringing toxic hydrogen sulfide closer to the surface.
- Animals
These fish would rather walk
Slowpokes of the sea, frogfish and handfish creep along the ocean bottom.
- Animals
What happens to animals in a hurricane?
Hurricanes can be devastating to animals on land and in the sea, but they can also provide opportunities.
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October 3, 2015
In the Oct. 3 SN: 10 young scientists to watch, the benefits of coffee, an intriguing new hominid relative, volcanoes’ hidden gold, predator-prey math, walking fish, science in ‘The Martian,’ and more.
- Animals
Don’t judge a whale’s gut microbiome by diet alone
Evolutionary history and diet may both determine the microbes that live in a baleen whale's stomach, researchers report.
- Animals
Shipwreck provides window into Tudor-era cod fishing
In the 1500s, England was feeding its navy with fish caught far from home, a new study finds.
- Animals
Life in the polar ocean is surprisingly active in the dark winter
The Arctic polar winter may leave marine ecosystems dark for weeks on end, but life doesn’t shut down, a new study finds.
- Animals
Loss of vision meant energy savings for cavefish
Novel measurement feeds idea that tight energy budgets favored vision loss in cavefish.
- Chemistry
Nanoparticles in foods raise safety questions
As scientists cook up ways to improve palatability and even make foods healthier, some are considering the potential health risks of tiny additives.
- Oceans
Giant barrel sponges are hijacking Florida’s coral reefs
Giant barrel sponges are gradually taking over and threatening Florida’s coral reefs, a new census suggests.
- Life
Unhelpful adaptations can speed up evolution
Unhelpful changes in gene activity stimulate natural selection.
- Animals
How a seahorse dad is like a pregnant woman
Live birth has evolved at least 150 times in vertebrates, including in seahorses and humans. And there are some surprising similarities between the species.
