Technical corrections only. The changes reflect the bill's procedural movement from the House to the Senate, updating the legislative status information. No substantive policy changes were made between v3 and v4.
Great Lakes Mass Marking Program Act of 2025
- Sponsor
- Rep. Dingell, Debbie [D-MI-6]
- Committees
- Environment and Public Works Committee (primary)
- Last action
- Jul 23, 2025
Bottom line
The bill creates a federally funded program to tag hatchery-raised fish in the Great Lakes, providing data to improve fishery management and support the regional economy.
What it actually does
This bill establishes the Great Lakes Mass Marking Program within the United States Fish and Wildlife Service. The program is designed to mass mark hatchery-produced fish in the Great Lakes basin to assess the effectiveness of hatchery operations and fisheries management actions. It authorizes the Director of the USFWS to purchase necessary equipment, tags, and hire personnel, while requiring collaboration with Federal, State, and Tribal fish management agencies to make collected data publicly available for various restoration and management objectives.
Proponents argue
Supporters argue that the Great Lakes are undergoing rapid biological changes due to invasive species and food web alterations, necessitating a science-based approach to fishery management. They contend that mass marking is a precise and efficient tool to balance hatchery-produced and wild fish populations, evaluate the effectiveness of stocking and habitat restoration, and ultimately support the $7 billion Great Lakes regional economy and native species recovery efforts.
Opponents contend
No direct opposition to the establishment of a mass marking program is explicitly stated or widely apparent, as the initiative is generally viewed as a science-based conservation effort. Potential criticisms, if any, might center on the allocation of federal resources, questioning whether the authorized funding is sufficient or if other conservation strategies might yield greater returns, or administrative concerns about inter-agency coordination.
The bill is very short and straightforward, allowing for a quick and comprehensive understanding of its provisions within the time typically allotted for legislative review.
Section 4(a)
Establishment of Great Lakes Mass Marking Program
This section formally creates the Great Lakes Mass Marking Program within the United States Fish and Wildlife Service. Its primary purpose is to mark hatchery-produced fish in the Great Lakes to help determine how effective hatchery operations are and how well fisheries management actions are working, all while supporting the overall health of Great Lakes fisheries.
Supporters argue
Supporters argue that formalizing this program is crucial for providing the scientific data needed to make informed decisions about fish stocking rates, species rehabilitation, and habitat restoration in the rapidly changing Great Lakes ecosystem. They emphasize that mass marking is a precise tool for balancing wild and hatchery fish populations and ensuring effective resource management.
Critics contend
No specific opposition is typically raised against the establishment of a science-based program for fishery management. Any potential concerns might relate to the administrative burden on existing agencies or the cost-effectiveness of mass marking compared to other research methods, though these are generally minor in the context of broader conservation goals.
Tradeoffs
The provision balances the need for scientific data to inform management decisions with the operational costs and logistical complexities of implementing a large-scale mass marking program across multiple jurisdictions.
Section 4(b), (c), (d)
Program Operations, Collaboration, and Data Sharing
These subsections detail how the Great Lakes Mass Marking Program will operate. The Director of the USFWS is authorized to buy necessary equipment like fish tags and hire staff. Critically, the program mandates collaboration with various Federal, State, and Tribal fish management agencies, as well as the Great Lakes Fishery Commission. All data collected must be made available to these partners to improve management actions, support economic fisheries, and evaluate restoration efforts.
Section 5
Authorization of Appropriations
This section authorizes the appropriation of $2,700,000 for each of the fiscal years 2026 through 2030 to carry out the Great Lakes Mass Marking Program. This funding is intended to cover the costs associated with purchasing equipment, fish tags, data processing, and hiring personnel as outlined in the program's operational mandates.