Before the evolution of legs from fins, the axial skeleton—including the bones of the head, neck, back and ribs—was already going through changes that would eventually help our ancestors support their bodies to walk on ...
Evolution
Apr 3, 2024
1
753
Scientists have collected 25 extremely rare red handfish from the ocean off Australia, hoping to protect the struggling species from warming seas, human-caused habitat changes and ravenous urchins.
Plants & Animals
Jan 31, 2024
2
206
A trove of fossils in China, unearthed in rock dating back some 436 million years, have revealed for the first time that the mysterious galeaspids, a jawless freshwater fish, possessed paired fins.
Evolution
Sep 28, 2022
0
142
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
University of Oregon biologists have produced a detailed genome of the snakelike gulf pipefish, delivering a new research reference tool to help explore an ancient fish family that includes seahorses and sea dragons and has ...
Biotechnology
Dec 22, 2016
0
13
Without a doubt, the seahorse belongs to Darwin's "endless forms most beautiful". Its body form is one of a kind. It has neither a tail nor pelvic fin, it swims vertically, bony plates reinforce its entire body and it has ...
Biotechnology
Dec 14, 2016
1
89
Early tetrapods, such as Ichthyostega, moved onto land from aquatic environments over 350 million years ago. Skeletal anatomy demonstrates that the front and hind limbs of these early tetrapods correspond to the pectoral ...
Archaeology
Oct 28, 2016
0
19
Federal biologist Jay Orr never knows what's going to come up in nets lowered to the ocean floor off Alaska's remote Aleutian Islands, which separate the Bering Sea from the rest of the Pacific Ocean. Sometimes it's stuff ...
Plants & Animals
Jul 13, 2016
0
228
We humans use the euphemism for sex that "we like to get a leg over" but the first jawed vertebrates – the placoderms – they liked to get a leg in.
Evolution
Jun 9, 2014
3
0
A spectacular new "missing link" fossil has been unearthed in China. The 419 million year old armoured fish, called Entelognathus, meaning "complete jaw" solves an age-old debate in science. For palaeontologists this fish ...
Archaeology
Sep 26, 2013
2
0
