Question

White perch is a fish that is native to Atlantic coastal regions and is invasive to the Great Lakes. It feeds on native species and

is thought to be the cause of the decline of the Great Lakes walleye fish populations. What was most likely its mode of
introduction?

Answer 1

Introduced through canals or put in by governments.

Answer 2

Trapped in a ship's ballast or a water tank

Explanation: The fish could have not been transported through any other water ways, it is simply too long of a journey, if the fish had help,it could have been transported faster with a larger number of fish.