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White Perch in the Great Lakes Region Overview | General Resources | Related Resources Current invaders:
Crustaceans: Rusty Crayfish | Spiny Water FleaFish: Goby (Round) | Goby (Tubenose) | Rudd | Ruffe | Sea Lamprey | White Perch Mollusks: Quagga Mussel | Zebra Mussel Plants: Curly-leaf Pondweed | Eurasian Watermilfoil | Phragmites (non-native) | Purple Loosestrife Viruses: Viral Hemorrhagic Septicemia Virus (VHSv) Potential invaders:
Fish: Asian Carp [Invasive species home page] 
What's New Invasion of the other perch The Herald-Palladium (8/21) Michigan has another perch that is becoming increasingly more common. A native of the Atlantic Coast, where it exists in both salt and freshwater, the white perch invaded the Great Lakes in 1950 through the Erie Canal. It is now established in all five Great Lakes, reaching Lake Michigan in 1988. Perch poised for revival in Lake Michigan The Holland Sentinel (5/17) Great Lakes fish biologists hope that after years of decline, 2008 will bring a significant rebound in the lakes’ beleaguered yellow perch population. White Perch found in Chequamegon Duluth News Tribune (7/25) Ice fishing in Chequamegon Bay last winter, Travis Nye of Ashland hooked a white perch -- the first one officially documented in the bay -- and set a new state record, too. Anglers warned not to spread white perch into Winnebago Milwaukee Journal Sentinel (9/23) Wisconsin anglers must be more aware of what they're catching and releasing in Lake Winnebago so they don't introduce invasive species - which is what happened in the Fox River, state biologists say. Invasive fish moves up Fox River Green Bay Press-Gazette (9/19) For the first time, white perch, an invasive species implicated in the decline of the yellow perch fishery in the Great Lakes and the bay of Green Bay, have been found in the Fox River upstream of the Rapide Croche navigational lock and dam northeast of Kaukauna, Wis.
Overview 
White perch (Morone americana) are native to Atlantic coastal regions and invaded the Great Lakes through the Erie and Welland canals in 1950. Prolific competitors of native fish species, white perch are believed to have the potential to cause declines of Great Lakes walleye populations.
Photo Credit: Ohio Department of Natural Resources References: A Field Guide to Aquatic Exotic Plants and Animals, University of Minnesota Sea Grant Program
General Resources Morone americana U.S. Geological Survey (USGS) Includes map and facts about the white perch, including overview of when the species was introduced into the Great Lakes. White Perch Ohio Department of Natural Resources (DNR) This page provides basic facts about fishing for perch, including typical size, fishing tips and harvest.
Related Resources GLIN: Agencies and Organizations, Fauna GLIN: Fish and Fisheries in the Great Lakes Region
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