Lake Ontario Benthic Prey Fish Bottom Trawl Survey, 1978-2024

This data release includes Lake Ontario prey fish data including species captured, relative abundance, spatial distribution, size structure, and age data from the benthic prey fish and yellow perch bottom trawl surveys, 1978 through 2024. Data from 1978 - 2014 are from U.S. waters of Lake Ontario while data from 2015 - 2024 include both U.S. and Canadian waters of Lake Ontario. Details about the vessel and gear descriptions, sampling protocols, and catch processing protocols are provided in the associated metadata.