COLUMBUS, OH – Fisheries biologists from multiple agencies recently conducted a project on the Sandusky and Maumee rivers to assess their ability to capture grass carp, according to the Ohio Department of Natural Resources (ODNR).

Crews from the ODNR Division of Wildlife worked with Michigan DNR; U.S. Fish and Wildlife Service; Department of Fisheries and Oceans Canada; Ontario Ministry of Natural Resources and Forestry; Minnesota DNR; Great Lakes Fishery Commission; The Nature Conservancy; U.S. Geological Survey; Quebec Ministry of Forest, Wildlife, and Parks; New York State Department of Environmental Conservation; Michigan State University; The Ohio State University; and the University of Toledo for three days of sampling looking for grass carp.

The crews sampled June 12-14 and included the coordinated use of multiple electrofishing vessels and nets to collect adult and juvenile carp in the Sandusky and Maumee rivers. Over the three days, 30 grass carp were collected, 27 from the Sandusky River and three from the Maumee River, using refined sampling techniques to collect grass carp for research and removal. Although present in the system, grass carp populations are considered to be low, and this week’s action reinforces this conclusion.

This week’s planned action is part of continuing efforts to remove invasive grass carp, assess grass carp capture techniques and increase information on grass carp populations in the Sandusky and Maumee rivers. This year’s planned response incorporated results from the 2017 coordinated unified response that tested grass carp collection strategies and the potential to control this species in the basin. This is one part of a structured and measured approach to better understand and address grass carp in Lake Erie.

The increased knowledge of grass carp in western Lake Erie gained through this research allows natural resource agencies, working through the Great Lakes

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