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Crayfish Regulations for Great Lakes States

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June 25, 2026 - <filicepa@msu.edu>

Status of crayfish regulations as of October 1, 2025

Your state natural resources agency is the best place to find current regulatory information.

This resource is provided as an informational summary only and should not be viewed as the entire regulation or statute, modifications of regulations or statutes, binding interpretations, or legal advice. For confirmation of regulations, contact the appropriate state or federal agency or consult with an attorney. This project was funded by the United States Environmental Protection Agency through the Great Lakes Restoration Initiative.

Illinois

Species State Regulations
Marbled crayfish
Procambarus virginalis
Live possession is not allowed. Prohibited species are typically banned entirely, but state-specific exceptions may apply. Visit invasivecrayfish.org to find your state's regulations or contact your state's natural resources agency.
Marron crayfish
Cherax tenuimanus
Special considerations: DNR permit is needed to sell crayfish not specifically approved by the state.
Red Swamp crayfish
Procambarus clarkii
Special considerations: DNR permit is needed to sell crayfish not specifically approved by the state.
Rusty crayfish
Faxonius rusticus
Live possession is not allowed. Prohibited species are typically banned entirely, but state-specific exceptions may apply. Visit invasivecrayfish.org to find your state's regulations or contact your state's natural resources agency.
Yabby crayfish
Cherax destructor
Live possession is not allowed. Prohibited species are typically banned entirely, but state-specific exceptions may apply. Visit invasivecrayfish.org to find your state's regulations or contact your state's natural resources agency.

Indiana

All crayfish species are allowed.

Michigan

Species State Regulations
Marbled crayfish
Procambarus virginalis
Live possession is not allowed. Prohibited species are typically banned entirely, but state-specific exceptions may apply. Visit invasivecrayfish.org to find your state's regulations or contact your state's natural resources agency.
Marron crayfish
Cherax tenuimanus
Special considerations: Sellers of non-native aquatic invasive species must register and report annually with DNR.
Red Swamp crayfish
Procambarus clarkii
Live possession is not allowed. Prohibited species are typically banned entirely, but state-specific exceptions may apply. Visit invasivecrayfish.org to find your state's regulations or contact your state's natural resources agency.
Rusty crayfish
Faxonius rusticus
In many Great Lakes states, the rusty crayfish (Faxonius rusticus) is considered widespread and subject to special rules. Retailers generally cannot sell or possess them where they are non-native and restricted.
Yabby crayfish
Cherax destructor
Live possession is not allowed. Prohibited species are typically banned entirely, but state-specific exceptions may apply. Visit invasivecrayfish.org to find your state's regulations or contact your state's natural resources agency.

Minnesota

Species State Regulations
Marbled crayfish
Procambarus virginalis
Live possession is not allowed. Prohibited species are typically banned entirely, but state-specific exceptions may apply. Visit invasivecrayfish.org to find your state's regulations or contact your state's natural resources agency.
Marron crayfish
Cherax tenuimanus
Special considerations: DNR permit is needed to import all live crayfish (native and non-native) or crayfish eggs.
Red Swamp crayfish
Procambarus clarkii
Live possession is not allowed. Prohibited species are typically banned entirely, but state-specific exceptions may apply. Visit invasivecrayfish.org to find your state's regulations or contact your state's natural resources agency.
Rusty crayfish
Faxonius rusticus
In many Great Lakes states, the rusty crayfish (Faxonius rusticus) is considered widespread and subject to special rules. Retailers generally cannot sell or possess them where they are non-native and restricted.
Yabby crayfish
Cherax destructor
Live possession is not allowed. Prohibited species are typically banned entirely, but state-specific exceptions may apply. Visit invasivecrayfish.org to find your state's regulations or contact your state's natural resources agency.

New York

Rusty crayfish (Faxonius rusticus): Live possession is not allowed. Prohibited species are typically banned entirely, but state-specific exceptions may apply. Visit invasivecrayfish.org to find your state's regulations or contact your state's natural resources agency.

Ohio

Species State Regulations
Marbled crayfish
Procambarus virginalis
Live possession is not allowed. Prohibited species are typically banned entirely, but state-specific exceptions may apply. Visit invasivecrayfish.org to find your state's regulations or contact your state's natural resources agency.
Marron crayfish
Cherax tenuimanus
Live possession is not allowed. Prohibited species are typically banned entirely, but state-specific exceptions may apply. Visit invasivecrayfish.org to find your state's regulations or contact your state's natural resources agency.
Red Swamp crayfish
Procambarus clarkii
Live possession is not allowed. Prohibited species are typically banned entirely, but state-specific exceptions may apply. Visit invasivecrayfish.org to find your state's regulations or contact your state's natural resources agency.
Rusty crayfish
Faxonius rusticus
N/A
Yabby crayfish
Cherax destructor
Live possession is not allowed. Prohibited species are typically banned entirely, but state-specific exceptions may apply. Visit invasivecrayfish.org to find your state's regulations or contact your state's natural resources agency.

Pennsylvania

In Pennsylvania, all crayfish species are prohibited, including native and non-native.

Wisconsin

Species State Regulations
Marbled crayfish
Procambarus virginalis
Live possession is not allowed. Prohibited species are typically banned entirely, but state-specific exceptions may apply. Visit invasivecrayfish.org to find your state's regulations or contact your state's natural resources agency.
Marron crayfish
Cherax tenuimanus
Live possession is not allowed. Prohibited species are typically banned entirely, but state-specific exceptions may apply. Visit invasivecrayfish.org to find your state's regulations or contact your state's natural resources agency.
Red Swamp crayfish
Procambarus clarkii
Live possession is not allowed. Prohibited species are typically banned entirely, but state-specific exceptions may apply. Visit invasivecrayfish.org to find your state's regulations or contact your state's natural resources agency.
Rusty crayfish
Faxonius rusticus
In many Great Lakes states, the rusty crayfish (Faxonius rusticus) is considered widespread and subject to special rules. Retailers generally cannot sell or possess them where they are non-native and restricted.
Yabby crayfish
Cherax destructor
Live possession is not allowed. Prohibited species are typically banned entirely, but state-specific exceptions may apply. Visit invasivecrayfish.org to find your state's regulations or contact your state's natural resources agency.

 

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