Control of detrimental fish
Wis. Stat. § 29.424
in effect(1) When the department finds that any species of fish is detrimental to any of the waters of the state it may designate the species of fish and specify the waters in which the species of fish is found to be detrimental. The department may remove or cause to be removed detrimental fish of the species designated from the waters specified.
(2) Subsection (1) does not authorize the department to remove fish from a self-contained fish rearing facility or from a preexisting fish rearing facility that is an artificial body of water unless one or more of the following apply:
(a) The fish are of a species that is not native to this state and the department determines that having the fish in that particular self-contained fish rearing facility or preexisting fish rearing facility poses a risk of being detrimental to the waters of the state.
(b) The department of agriculture, trade and consumer protection has requested that the department of natural resources remove the fish to address a problem affecting fish health.
Source: WI Statutes (Official Site)URL: https://docs.legis.wisconsin.gov/document/statutes/29.424Fetched: 10/7/2026