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Fish sampling data in La Grange Pool of the Illinois River during 2015 to determine largemouth bass and silver carp population size structure and size-selective largemouth bass piscivory Dataset contains sampling information (site, location, and date of sampling) for largemouth bass and silver carp captured in La Grange Pool of the Illinois River during 2015 used to determine the population size structure of both species for analyzing size-specific feeding of largemouth bass on young-of-year and Age-1 silver carp. The dataset also contains information on fish prey items found in largemouth bass stomachs for diet analysis. Categories: Data; Tags: Aquatic Biology, Illinois River, La Grange Pool, USGS Science Data Catalog (SDC), Wildlife Biology, All tags... invasive species, none, size-selective predation, Fewer tags Using Pharyngeal Teeth and Chewing Pads to Predict Juvenile Silver Carp Total Length in the La Grange Reach, Illinois River: Data Silver carp (Hypophthalmichthys molitrix) are an invasive species in the Mississippi River Basin; understanding their vulnerability to predation as juveniles may inform control by native predators and predator stocking. Digestion of silver carp recovered from diets makes it difficult to determine the size classes most vulnerable to predation by native fishes. The objective of this study was to determine if total length of silver carp can be predicted from the size of their chewing pad, pharyngeal teeth, and pharyngeal arch, the structures most often found intact in diets. Juvenile silver carp (n=136: <180 mm) were collected using 60 hz pulsed- DC electrofishing and mini fyke nets in 2014 and 2015 from the La Grange... Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Illinois River, La Grange Reach, Macomb, IL, Silver Carp, USGS Science Data Catalog (SDC), All tags... chewing pads, juvenile, pharyngeal teeth, Fewer tags