Infection of the zebra mussel with its commensal ciliate Conchophthirus acuminatus

This dataset contains records of infection of the invasive bivalve mollusc Dreissena polymorpha (zebra mussel) with its commensal ciliate Conchophthirus acuminatus. For more details see the original publication: Mastitsky SE (2012) Infection of Dreissena polymorpha (Bivalvia: Dreissenidae) with Conchophthirus acuminatus (Ciliophora: Conchophthiridae) in lakes of different trophy. BioInvasions Records 1(3): 161-169 The following variables are included in the dataset: - Month: sampling month - Day: sampling day, starting from 0 - the first day of study - Lake: the waterbody sampled - Site: sampling site within Lake - Length: shell length of the dissected zebra mussels (mm) - Infection: number of the ciliates Conchophthirus acuminatus found in a mollusc