Tag Archives: lake herring

What European demand for caviar means for a Great Lakes fish

Lake Superior is the largest freshwater lake in the world by surface area, and it has something the other Great Lakes don’t — stable populations of mostly native fish species. But scientists say a key fish in Superior’s food web is now in trouble because of mild winters and an appetite for caviar in Europe. There wasn’t much demand for lake herring until a few years ago. Craig Hoopman says it used to be fed to mink and used as fertilizer. He says around 2007, Scandinavians started buying lake herring eggs, or roe, for caviar. Listen, Read the rest here 12:11