Wildlife
New sunfish regulations let Minnesota’s fish grow
|
Growing public concern about shrinking sunfish sizes led to lower daily harvest limits across Minnesota this year.
Wildlife
Researchers need help transcribing 100-year-old fish records
|
Michigan researchers are asking for volunteers to transcribe paper fish observation records that date back more than a century.
Fish
Don’t panic over dead fish
|
As lakes thaw this spring, you might spot dead fish, experts warn.
fisheries
Virtual walleyes fight new threats to real ones
|
Scientists are simulating Great Lakes walleye on computers to find out how contaminants harm the fish.
fisheries
Fish vision genes could inform Great Lakes restoration
|
A new understanding of how genes affect which fish can see deep in Lake Superior could help scientists understand how to preserve them.
arctic grayling
Fish tale: Chances of Arctic grayling return to Michigan ‘Very good’
|
Arctic grayling, a fish known for its sail-like dorsal fin and that died out in Michigan in the 1930s, could be making a comeback in Michigan.
Wildlife
Fish guts show changes on the Lake Huron menu
|
Alewives were once an important food source for top predators and popular gamefish such as salmon and lake trout. But Great Lakes populations of the small fish started to decline in the early 1980s.
Fish
The dose is in the bite: silent effects of parasitic sea lamprey
|
The research could have implications for estimating how many lake trout are in the Great Lakes.
Wildlife
Invasive mussels challenge commercial whitefish fishing in the Great Lakes
|
The spread of invasive quagga and zebra mussels in the Great Lakes has altered the ecology of lakes, including disrupting the food web in the lakes. Commercial whitefish fishers are facing challenges in their industry that may be the result of changes to the food web brought about by the presence of the invasive mussels.
Climate change
Deadly fish virus returns to northern Michigan hatchery
|
The Marquette State Fish Hatchery lost around 100,000 fish in 2012 to the disease, according to a new publication in the American Fisheries Society. Similar losses happened again in 2017.