Zebra mussels, which can begin reproduction when water temperatures reach 54 degrees, can wreak havoc on lakes. They already have spread to Lake Minnetonka, Prior Lake, Gull Lake and Lake Mille Lacs.

Zebra are closely related to the domesticated ... They are also extremely territorial — males often fight to the death over control of a harem. Hippos are said to account for more human deaths ...

Carver County officials are now wading in to zebra mussel prevention efforts. Prior to completing the 2012 budget, the Carver County Board is expected to consider earmarking $30,000 that could ...