Cover of the Great Lakes Almanac to Invasive Crayfish featuring an image of a red swamp crayfish

Great Lakes Almanac to Invasive Crayfish

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July 1, 2024 - Paige Filice

The Great Lakes Almanac to Invasive Crayfish pamphlet highlights four invaders: Rusty Crayfish (Faxonius rusticus), Red Swamp Crayfish (Procambarus clarkii), Marbled Crayfish (Procambarus virginalis), and Australian crayfish (Cherax species). For each crayfish species, a detailed description and illustration is provided highlighting significant physical features that can be used to identify the species.

It was funded in part by the Michigan Invasive Species Grant Program and by the United States Environmental Protection Agency through the Great Lakes Restoration Initiative.

For the most up to date information about invasive crayfish and regulations in Michigan visit michigan.gov/invasives.

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