Some fish make sounds by grating their teeth and others, like some catfish, make sounds from their air filled swim bladder.

Rebound in Water Levels Eases Great Lakes Fears

July 15, 2014 | Categories: Fun Stuff

By Julie Bosman THE NEW YORK TIMES • Sunday June 29, 2014 Photo by Mark Kauzlarich | The New York Times

Lakes Michigan, Huron and Superior are at least a foot higher than they were a year ago, and they are expected to rise 3 more inches over the next month. Lake Ontario and Lake Erie are 7 to 9 inches higher than a year ago.