Some fish, like sharks, don’t posses an air bladder to help keep them afloat and must either swim continually or rest on the bottom.  

On Mille Lacs, who’s eating who?

July 5, 2014 | Categories: Fun Stuff,Resources

By Dave Orrick dorrick@pioneerpress.com

No fish species eating dinner in Lake Mille Lacs ordered walleye as more than a side dish last year.

That’s one bit of information — preliminary and full of disclaimers –
emerging more than a year into a study by Minnesota biologists trying to figure out what is ailing the lake’s fabled walleye.