This dataset includes fish community data collected during the annual nearshore and offshore surveys for Lake Superior from 1978-2025. The data includes: the number, weight, number per hectare, and kg per hectare of fish caught at each location from 1978-2025; annual age-1 numerical density estimates for select species in the nearshore region (1978-2025) and offshore region (2011-2025); length frequency data for Kiyi from 2010-2025; larval coregonine data including the number caught and number per hectare estimate by location from 2014-2025; and temperature data (mean temperature, surface temperature, and upper-most 3m temperature) from 2011-2025.