From ABC News:

Group Seeks Use for Unwelcome Carp in Utah

Nonnative Carp Destroying Utah Lake and Its Unique Species of Fish Has Group Looking for Solution

PROVO, Utah Mar 24, 2006 (AP)— Carp introduced to Utah Lake by early settlers are confounding current residents looking for ways to get rid of the fish.

(more here)

Couldn’t they have a Carpathon?   Then turn the 7.5 million Carp into Billions of Mc.Donalds Mc.Carp Nuggets?  Thats what I would do.