Abstract of Ghedotti, M., and G.R. Smith. Feeding preferences of an exotic mollusk predator, the round goby (Neogobius melanostomus) in the Great Lakes. J. Great Lakes Res. (in revision, Journal of Great Lakes Research).

Round gobies eat up to 74 zebra mussels in 24 hours, and prefer zebra mussels to native mussels. Round gobies eat zebra mussels in their native range and in nature in the Great Lakes.