Quote Originally Posted by Aotus View Post
The carp are genetically modified to be sterile, and were added to eat the grass...problem is, when they get older, they stop eating grass and start eating small fish...so, oops I guess.
Every time mankind has tried to solve one problem by introduce a non-indigenous species, there have been big problems.

Think of such things as Kudzu, brought in to control erosion. In Australia, they brought in English plants which ran wild. Then they brought in rabbits to control the plants. The rabbits ate other plants. Then they brought in wolves to control the rabbits