More than half of Switzerland's native fish species are threatened with extinction or are already extinct within the country's waters, a new assessment showed Wednesday.
Ecology
Feb 8, 2023
0
24
Using the lamprey, researchers from Japan analyzed the photosensory mechanism of the pineal organ, also called the pineal gland, in non-mammalian vertebrates and discovered a novel mechanism of pineal color discrimination ...
Evolution
Sep 16, 2021
0
20
A joint team of paleontologists has now for the first time analyzed bone structures in 400 million-year-old fossils of marine life at unprecedentedly high resolution and in 3D. To be able to view these structures, tomography ...
Evolution
Mar 31, 2021
0
263
Mice, fruit flies and dogs are common creatures of laboratories across the country, valuable to researchers for their genetic proximity to humans. But what about lampreys?
Biotechnology
Dec 17, 2020
0
474
The emergence of jaws in primitive fish allowed vertebrates to become top predators. What is less appreciated is another evolutionary innovation that may have been just as important for the success of early vertebrates: the ...
Evolution
Sep 29, 2020
0
172
New fossil data show that our fishy ancestors may have risen to dominance by becoming predators of their ancient jawless cousins.
Paleontology & Fossils
Dec 18, 2019
0
570
An aphrodisiac pheromone discovered in the semen of sea lampreys attracts ready-to-mate females, according to a study publishing July 9 in the open-access journal PLOS Biology by Anne M. Scott of Michigan State University, ...
Plants & Animals
Jul 9, 2019
0
119
Paleontologists at the University of Chicago have discovered the first detailed fossil of a hagfish, the slimy, eel-like carrion feeders of the ocean. The 100-million-year-old fossil helps answer questions about when these ...
Archaeology
Jan 21, 2019
5
568
Fossil discoveries from the Devonian rocks of Scotland and Australia first revealed that the earliest jawed fishes, the placoderms, reproduced using copulation in much the same way as sharks and rays do today.
Archaeology
Jul 19, 2018
0
2
New research suggests our jawed ancestors weren't responsible for the demise of their jawless cousins as had been assumed. Instead Dr Robert Sansom from The University of Manchester believes rising sea levels are more likely ...
Archaeology
Dec 16, 2014
6
2
