8,261 results
8,261 results for: Fish
- Animals
A researcher reveals the shocking truth about electric eels
A biologist records the electrical current traveling through his arm during an electric eel’s defensive leap attack.
- Animals
Melatonin makes midshipman fish sing
Melatonin lets people sleep but starts male midshipman fish melodiously humming their hearts out.
- Paleontology
A baby ichthyosaur’s last meal revealed
A new look at an old fossil shows that some species of baby ichthyosaurs may have dined on squid.
- Astronomy
86 stars get official names
The International Astronomical Union has released 86 newly official star names, based, in part, on historical star names from various indigenous cultures.
- Animals
Female guppies with bigger brains pick more attractive guys
A larger-brained female guppy may pick primo males, but all that mental machinery costs her in other ways.
- Animals
One creature’s meal is another’s pain in the butt
Kelp and dolphin gulls in Patagonia have found a new food source. But they accidentally injure fur seal pups to get it.
- Ecosystems
Invasive species are a growing global threat
'The Aliens Among Us' describes how invasive species are colonizing — and disrupting — ecosystems worldwide.
- Animals
Young penguins follow false food cues
Juvenile African penguins are being trapped in barren habitats, led astray by biological cues that are no longer reliable because of human activity.
- Climate
Rising CO2 in lakes could keep water fleas from raising their spiky defenses
Rising CO2 in freshwaters may change how predators and prey interact in lakes.
- Animals
Most blue whales are ‘righties,’ except for this one move
Though many blue whales tend to be “right-handed” when hunting for krill, one specific barrel roll move requires a lefty twist.
- Animals
Whales feast when hatcheries release salmon
Whales: “They’re 40 feet long and they’re feeding on fish that are the size of my finger.”
- Animals
Fossil find suggests this ancient reptile lurked on land, not in the water
An exquisitely preserved fossil shows that an ancient armored reptile called Eusaurosphargis dalsassoi wasn’t aquatic, as scientists had suspected.
