8,236 results
8,236 results for: Fish
- Plants
Marsh grass masquerades as a native species
The abundant cordgrass found in South American marshes may actually have invaded the region more than two centuries ago, a new study concludes.
- Animals
A fish reared out of water walks better
The normally aquatic fish Senegal bichir raised on land suggests how ancient species might have transitioned into terrestrial ones.
- Animals
Stretchy nerves help some big whales open wide
Blue whales and their closest relatives have stretchy nerves near their mouths so they can open wide and swallow a lot of prey.
- Animals
Corals, fish know bad reefs by their whiff
Compounds drifting off certain overgrown seaweeds discourage young corals and fish from settling in failing reefs.
- Animals
Bumphead parrot fish declare their arrival with a crunch
Months of swimming with the coral-biter bumpheads exposes the animal’s extreme digestion and also a conservation dilemma.
- Life
Electric eels remote-control nervous systems of prey
Electric eels’ high-voltage zaps turn a prey fish against itself, making it freeze in place or betray a hiding place.
- 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
That puffed-up pufferfish isn’t holding its breath
Pufferfish can breathe just fine even when they puff themselves out with water, a new study finds.
- Animals
Tortoises provide a window into the illegal wildlife trade
Tens of thousands of Indian star tortoises are poached every year, a new study finds.
- Neuroscience
Bayesian reasoning implicated in some mental disorders
An 18th century math theory may offer new ways to understand schizophrenia, autism, anxiety and depression.
- Animals
Five surprising animals that play
No one is shocked to find playful behavior in a cat, dog or other mammal. But scientists have documented play in plenty of other species, including reptiles and insects.
- Ecosystems
Dam demolition lets the Elwha River run free
Removing a dam involves more than impressive explosions. Releasing a river like Washington state's Elwha transforms the landscape and restores important pathways for native fish.
