A crew from the University of Toledo working with the U.S. Geological Survey found the larvae during sampling last June in the Maumee River, a Lake Erie tributary.
Lake Erie tributaries have them but they are different from their sterile cousins.
Part of continuing efforts to remove invasive grass carp, assess grass carp capture techniques and increase information on grass carp populations in the two rivers.
PHOENIX — Officials say the fish they use to help clear algae and weeds from Phoenix canals are overeating and getting even bigger. The Arizona Republic reports Salt River Project crews use about 50,000 white amur fish, or grass carp, a species native to China, to help clean the canals. The crews drain portions of the major canals each year…
The next step for researchers is figuring out how to stop grass carp from gaining a foothold.
Number of grass carp in the area is “extremely low,” which offers a chance to prevent the invasive fish from gaining a foothold.
Bad news is that they’re there at all.
Increased knowledge of grass carp in western Lake Erie gained through research project allows natural resource agencies to collaboratively develop science-based management approaches.
Some Asian species pose a threat to the Great Lakes.
Invasive fish has been found in Lakes Erie, Michigan and Ontario, although it’s uncertain how many there are or how widely they have spread.
While bighead and silver carp are believed to have escaped from aquaculture ponds, grass carp were stocked intentionally in water bodies throughout many states for the purpose of aquatic plant control.