A 72-million-year-old sturgeon fossil has been discovered in Edmonton's North Saskatchewan River Valley, the first fish material of any kind found from that time period and in that geographical area.
Paleontology & Fossils
Jan 11, 2024
0
133
Wild caviar, a pricey delicacy made from sturgeon eggs, has been illegal for decades since poaching brought the fish to the brink of extinction. Today, legal, internationally tradeable caviar can only come from farmed sturgeon, ...
Plants & Animals
Nov 20, 2023
0
95
About 350 million years ago, your evolutionary ancestors—and the ancestors of all modern vertebrates—were merely soft-bodied animals living in the oceans. In order to survive and evolve to become what we are today, these ...
Evolution
Jul 17, 2023
0
150
In the lower Missouri River, a fish with prehistoric ties has learned to live hard—and, too often, die young.
Plants & Animals
Aug 19, 2020
0
173
Sometimes referred to as the "the Methuselah of freshwater fish," sturgeons and their close relatives are very old from an evolutionary point of view. Fossils indicate that sturgeons date back 250 million years and have changed ...
Plants & Animals
Mar 30, 2020
0
1719
Before the damming of the Yangtze River in 1981, Chinese sturgeon swam freely each summer one after another into the river's mouth, continuing upriver while fasting all along the way. They bred in the upper spawning ground ...
Ecology
Nov 1, 2018
0
18
Efforts to restore sturgeon in the Great Lakes region have received a lot of attention in recent years, and many of the news stories note that the prehistoric-looking fish are "living fossils" virtually unchanged for millions ...
Plants & Animals
Jun 6, 2013
0
0
While trying to find a DNA-based test to determine the sex of lake sturgeon, Purdue University researchers found that the sturgeon genome contains trematode genes that didn't originally belong to it and may harbor a protozoan ...
Biotechnology
May 11, 2010
0
0
(AP) -- It's been a tough fight for the whisker-snouted sturgeon.
Ecology
Apr 23, 2010
1
1
Lake sturgeon don't need Endangered Species Act protections, federal wildlife officials announced Monday, saying that stocking programs have helped the prehistoric fish return to areas where they had vanished.
Plants & Animals
Apr 22, 2024
0
1
