This dataset consists of fecundity (number of eggs) data on Pike (Esox lucius) from net sampling in Windermere. Data collection began in 1963. The data were initially collected by the Freshwater Biological Association (FBA) but have been collected by CEH and its predecessor Institute of Freshwater Ecology (IFE) since 1989. Full details about this dataset can be found at https://doi.org/10.5285/b8886915-14cb-44df-86fa-7ab718acf49a
