For many species of fish, spring spawning migrations are a crucial part of their life cycle. They swim upstream to habitat both more suitable for them to deposit eggs and where young fish that hatch …
Fish Fry Day
Video: Up-Close Look at Lake Mendota Water Clarity
On June 4th, after a week of clear-water conditions in Lake Mendota, some of us here at Hasler Lab decided that our window for swimming in clear water was closing. So we decided to take …
Fish Fry Day: Daphnia Update & Perch (H2O) Purifiers?
Lake Monona is crystal clear, while Mendota stays murky and, on Wednesday, we asked you to help us monitor Lake Mendota as we wait to see if the native zooplankton, daphnia pulicaria, can rally and …
Fish Fry Day Redux: Sneaking and Spawning
We’re swamped here at the CFL, so apologies for the slow posting. Today, though, we’ve dug up a classic post on one of the aquatic rites of spring – the crazy sex life of bluegill. …
Fish Fry Day: Getting “Biggest Bang for Your Buck” in Conservation
by Kelly April Tyrrell A few years ago, researchers at the University of Wisconsin-Madison Center for Limnology created the first map of all the road crossings and dams blocking the tributary rivers that feed the …
Fish Fry Day: “FishWerks,” New App to Optimize Fish Barrier Removal
Pretend for a moment that you’re a Wisconsin Department of Natural Resources scientist tasked with connecting migratory Great Lakes fish to upstream habitats. Let’s say the stream you’re working on has two dams and five impassable road …
Fish Fry Day Video: Ice Fishing in Madison, Wisconsin
Andrew Stevens is a graduate student working on a master’s degree both with Pete McIntyre in Freshwater and Marine Sciences as well as the Water Resources Management Program here at UW-Madison. He’s also an avid …
Limnology in the Lab: Guppies Eating Swordfish, Bluegill Eating Shrimp
Down in the basement of the Water Sciences and Engineering Lab, right next door to us here at the Center for Limnology, sits an aquatic ecosystem with one crazy food web. In the experimental habitat, …
Fish Fry Day: Shad, Like Ships, Use Locks to Get Upstream
Happy Fish Fry Day, when, like any good Wisconsin restaurant, we put fish on the menu. Today’s post is shared with permission from The Nature Conservancy‘s “Cool Green Science” blog. Thanks, TNC! New Research Makes …
Fish Fry Day: How Do Fish Live Under the Ice?
While we’ve been spared (so far) by any sort of climate shenanigans like a polar vortex this winter, our lakes have had a nice thick cover of ice on for a month or more. And …