Dissolved Oxygen: The most important measurement for aquaculture
Dissolved oxygen is vital to any healthy, life-sustaining aquatic system. And that includes aquaculture ponds and enclosures.
American Shad Populations, Once Great, Now Minimal
Got a thing for shad? Well, you would probably be in the minority these days just because it’s more difficult to find the fish than it once was. Back in the day, the early years of America, shad were much more abundant than they are now, according to a post from Atlas Obscura.
Could ‘Finding Dory’ Movie Hurt Coral Fish Populations?
After the release of the movie “Finding Nemo,” clown fish populations on coral reefs have been declining, presumably due to the popularity of having a fish that looks like the one from the movie in household aquariums. Scientists with the University of Queensland and Flinders University are worried that similar impacts could be felt on blue tang fishes with the upcoming release of “Finding Dory.”
Vandalism Leaves One Endangered Devils Hole Pupfish Dead
Authorities at Death Valley National Park are looking for any information that can lead to the arrest and conviction of vandals who went skinny dipping in Devils Hole, home of the endangered Devils Hole Pupfish. The vandals appear to be three men who also were drunk and shooting guns during their incursion in the park, according to the Los Angeles Times.
Fishackathon Competition Looks To Leverage Data Against Fisheries Issues
The fishackathon is an interesting competition that began in 2013. Back then, it didn’t have too many competitors. But it has blossomed into a big event in just the past few years.
Tagging Study Charts Lake Oahe Walleye
South Dakota State University researchers have tagged more than 26,000 fish in the last three years during a study of Lake Oahe walleye. Plans are for one more year of tagging and an additional year beyond that of data collection to assess the lake’s walleye stocks.
Importance Of Inland Fisheries In Great Lakes Underestimated
Researchers with the U.S. Geological Survey have completed a study on the world’s fish production and harvest, according to the Charlevoix Courier. The results of the effort point to a likelihood that the harvest of inland fisheries in the Great Lakes region is frequently under-reported.
Minnesota Man Works To Protect And Study Fish In His Home Lake
How far would you go to help fish in your home lake? Well for one Minnesota man, it’s a personal pursuit. The angler lives right on the shores of his lake and is actually studying its fish populations using nets, according to the Minneapolis Star Tribune.
Chinook Salmon Stocks Troubled In Lake Michigan
The Michigan Department of Natural Resources is considering another reduction in the number of chinook salmon being stocked in Lake Michigan, according to mlive.com. If the prized stock continues to go down, fisheries managers say that they may eliminate its stocking altogether.
Tagging Walleyes To Improve Management Around The Great Lakes
Ohio Division of Wildlife biologists are busy at work tagging walleyes that migrate around the Great Lakes, according to a report from the Toledo Blade. Their tools of choice include acoustic transmitter tags implanted into the fish to monitor their movements through the lakes and surrounding rivers.
