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? a. produce brought from the eastern states trapped in a ship's ballast b. a water tank trapped in a cargo crate carrying nonperishable items luggage brought in an overseas flight
Answers
The correct answer to this question is option A.
The most common way fishes such as White Perch which are not native to a region, reach there, is through ship’s ballast water. It could also come from domestic aquariums.
Some states like Canada consider the White Perch an invasive species as it is a voracious feeder and eats other fishes’ eggs and smaller fishes. It also competes with them for space.
The correct response to this query is option A.
White perch is a fish that is local to Atlantic beach front areas and is obtrusive to the Great Lakes. It nourishes on local species and is believed to be the reason for the decay of the Great Lakes walleye fish populaces. Its method of presentation was probably: caught in a ship's counterweight or a water tank.
The white perch is anything but a genuine perch yet rather a fish in the calm bass family. Grown-ups go between seven to 12 inches long. They have grayish-green to dull green-darker backs, silver sides and silver-white undersides. They for the most part don't have stripes.