Walleye are one of the most sought-after species in freshwater sportfishing, a delicacy on Midwestern menus and a critically important part of the culture of many Indigenous communities. They are also struggling to survive ...
Plants & Animals
Feb 27, 2024
0
64
As lakes across the upper Midwest grow warmer year after year, cool-water species of fish are finding it harder to thrive. In Wisconsin, that trend is especially noticeable in struggling populations of walleye—important ...
Plants & Animals
May 10, 2022
0
108
Because walleyes are a cool-water fish species with a limited temperature tolerance, biologists expected them to act like the proverbial "canary in a coal mine" that would begin to suffer and signal when lakes influenced ...
Plants & Animals
Mar 1, 2021
0
18
Anglers often lament how hard it can be to land a fish for dinner, but the tougher job usually falls to fisheries managers, who have set sustainable catch limits for the fishes we love to harvest.
Ecology
Jun 12, 2020
1
13
There's a long-standing belief in the freshwater fishing community that once anglers find it too hard to land a particular fish for their dinner plate, they either move on to fishing for different species or fish in new waters, ...
Ecology
Nov 18, 2019
0
107
Looking downstream on the Rainy River, it's hard at first to see how spring is changing along the northern border.
Environment
May 1, 2019
0
8
Walleye, an iconic native fish species in Wisconsin, the upper Midwest and Canada, are in decline in northern Wisconsin lakes, according to a study published this week in the Canadian Journal of Fisheries and Aquatic Sciences.
Ecology
Mar 29, 2018
0
25
More than a thousand walleye are in the six sets of circular water tanks at the UW-Stevens Point Aquaponics Innovation Center in Montello, Wis. And they swim around in near-total darkness, their environment protected by several ...
Ecology
Oct 20, 2017
0
58
Scientists have known for years that when some fish sense predators eating members of their species, they try to depart the scene of the crime and swim toward safer waters. This sensible behavior is exactly what evolution ...
Ecology
Oct 17, 2017
0
59
A few degrees, on average, can make a huge difference in lakes and streams as aquatic species struggle to compete and in some cases survive, and that's why a warming climate is of concern to fisheries managers.
Ecology
Jun 6, 2017
0
60
