A rare three-dimensional fossil of an ancient chimaera has revealed new clues about the diversity of these creatures in the Carboniferous period, some 300 million years ago.
Paleontology & Fossils
Jan 17, 2023
0
60
Ray-finned fish, now the most diverse group of backboned animals, were not as hard hit by a mass extinction event 360 million years ago as scientists previously thought.
Evolution
Nov 17, 2022
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193
Swimming in complex underwater environments, fish are unmatched when it comes to motion control and flexibility. For decades, researchers have been inspired to copy nature's most gifted swimmers to optimize underwater vehicle ...
General Physics
Feb 22, 2022
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223
There's a whole lot of talking going on beneath the waves. A new Cornell study finds that fish are far more likely to communicate with sound than generally thought—and some fish have been doing this for at least 155 million ...
Plants & Animals
Jan 27, 2022
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180
All vertebrates have the same basic body plan: Head, spine, four appendages. Those appendages vary greatly in size, shape, and function, of course—from fins to wings, arms, and legs—but a new genetic analysis shows that ...
Plants & Animals
Nov 8, 2021
0
183
In the movie "A Fish Called Wanda," the villain Otto effortlessly gobbles up all the occupants of Ken`s fish tank. Reality, however, is more daunting. At least one unfortunate fan who re-enacted this scene was hospitalized ...
Plants & Animals
Jul 5, 2021
0
10
People traditionally think that lungs and limbs are key innovations that came with the vertebrate transition from water to land. But in fact, the genetic basis of air-breathing and limb movement was already established in ...
Evolution
Feb 4, 2021
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3632
A team of researchers affiliated with several institutions in the U.S. has found that most shark fins sold around the world in fish markets come from sharks caught in coastal zones rather than in the open ocean. In their ...
The evolution of limbs with functional digits from fish fins happened approximately 400 million years ago in the Devonian. This morphological transition allowed vertebrates to leave the water to conquer land and gave rise ...
Plants & Animals
Aug 19, 2020
2
719
For more than a century, the world's oceans have been becoming steadily more acidic as they soak up ever-increasing amounts of carbon dioxide from the atmosphere, and the impacts can be fatal for invertebrates such as shellfish, ...
Plants & Animals
Feb 21, 2019
0
200
