Search Results for: Fish
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- Science & Society
Humans exploit about one-third of wild vertebrate species
An analysis of nearly 47,000 vertebrate animal species reveals that using them for food, medicine or the pet trade is helping push some toward extinction.
By Sid Perkins - Animals
Why some hammerhead sharks seem to ‘hold their breath’ during dives
Scalloped hammerhead sharks in Hawaii seem to limit the use of their gills during deep dives to prevent losing heat to their surroundings.
By Freda Kreier - Animals
These transparent fish turn rainbow with white light. Now, we know why
Repeated structures in the ghost catfish’s muscles separate white light that passes through their bodies into different wavelengths.
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- Climate
Nature’s changing colors makes climate change visible
The world’s color palette is shifting in response to climate change. Seeing these changes in nature firsthand is a powerful communication tool.
By Sujata Gupta - Life
Coral reefs host millions of bacteria, revealing Earth’s hidden biodiversity
A new estimate of microbial life living in Pacific reefs is similar to global counts, suggesting many more microbes call Earth home than thought.
- Animals
This marine biologist is on a mission to save endangered rays
Jessica Pate and the Florida Manta Project confirm that endangered mantas are mating and sicklefin devils are migrating along the East Coast.
- Animals
Fish can recognize themselves in photos, further evidence they may be self-aware
Cleaner fish recognize themselves in mirrors and photos, suggesting that far more animals may be self-aware than previously thought.
By Betsy Mason - Animals
The Sonoran Desert toad can alter your mind — it’s not the only animal
Their psychedelic and other potentially mind-bending compounds didn't evolve to give people a trip.
- Health & Medicine
A gel cocktail uses the body’s sugars to ‘grow’ electrodes in living fish
A chemical reaction with the body’s own sugars turned a gel cocktail into a conducting material inside zebrafish brains, hearts and tail fins.
By Simon Makin - Climate
Extreme ocean heat off Florida has ebbed. But for marine life, the danger remains
After the recent heat wave, corals have received too much heat too early in the summer, and other sea life could see lingering effects too.