"Smallmouth bass diet percent occurrence in 2022 was dominated by Round Goby (87%), which is typical for the species "

"Round goby became the dominant prey of smallmouth bass after its invasion (observed in 73.3% of diets), and crayfish were only observed in 5.8% of diets in the post-round goby time period."

"Round goby represented 86% of the stomach contents of smallmouth bass and 29% of largemouth bass, confirming that round goby are an important food source for piscivorous fish in Lake Ontario,..."

"Largemouth Bass diets are more varied than Smallmouth Bass, with ten distinct prey species identified in 2022. Round Goby (49%) and Gizzard Shad (27%) made up the majority."