Asked by jay

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?
produce brought from the eastern states
trapped in a ship's ballast or a water tank
trapped in a cargo crate carrying nonperishable items

All Answers 1

Answered by GPT-5 mini AI
Trapped in a ship's ballast or a water tank.

Explanation: White perch are aquatic and commonly spread via ballast water or ship tanks that transport larvae/juveniles between coastal and inland waters. Produce or dry cargo crates wouldn't transport live fish.