8,119 results
8,119 results for: Fish
- Climate
Mercury levels in fish are rising despite reduced emissions
Climate change and overfishing can increase how much mercury accumulates in fish, counteracting efforts to reduce human-caused emissions.
- Paleontology
Cannibalism in the womb may have helped megalodon sharks become giants
The ancient sea terror Otodus megalodon may have grown to at least 14 meters long thanks to a firstborn pup’s predatory behavior, some researchers say.
- Life
Piranhas and their plant-eating relatives, pacus, replace rows of teeth all at once
Piranhas and pacus both lose and replace all teeth on one side of their mouths in one go, which may help to distribute wear and tear.
- Life
Why otters ‘juggle’ rocks is still a mystery
Shuffling pebbles really fast looks as if it should boost otters’ dexterity, but a new study didn’t find a link.
- Neuroscience
Both fish and humans have REM-like sleep
Sleeping zebrafish have brain and body activity similar to snoozing mammals, suggesting that sleep evolved at least 450 million years ago.
- Animals
Flamboyant cuttlefish save their bright patterns for flirting, fighting and fleeing
A new field study of flamboyant cuttlefish shows they don’t always live up to their reputation.
- Animals
Dolphins can learn from peers how to use shells as tools
While most foraging skills are picked up from mom, some bottlenose dolphins seem to look to their peers to learn how to trap prey in shells.
- Oceans
The Deepwater Horizon oil spill spread much farther than once thought
Computer simulations reveal the full extent of the 2010 Deepwater Horizon oil spill in the Gulf of Mexico.
- Climate
Malin Pinsky seeks to explain how climate change alters ocean life
As global temperatures rise, Malin Pinsky’s research attempts to understand how marine ecosystems are changing and why.
- Earth
Earth’s annual e-waste could grow to 75 million metric tons by 2030
Unwanted electronic waste is piling up rapidly around the globe, while collection and recycling efforts are failing to keep pace, a new report shows.
- Life
A mussel poop diet could fuel invasive carp’s spread across Lake Michigan
Asian carp, just a human-made waterway away from reaching Lake Michigan, could live in much more of the lake than previously thought.
- Oceans
The world’s fisheries are incredibly intertwined, thanks to baby fish
A computer simulation reveals how one nation's management of its fish spawning grounds could significantly help or hurt another country's catch.
