- Data from: Species introduction promotes hybridization and introgression in Coregonus: is there sign of selection against hybrids?(2011-06-21) Kahilainen, Kimmo K; Østbye, Kjartan; Harrod, Chris; Shikano, Takahito; Malinen, Tommi; Merilä, Juha; University of Helsinki - Kahilainen, Kimmo K; University of Oslo - Østbye, Kjartan; Max Planck Institute for Evolutionary Biology - Harrod, Chris; University of Helsinki - Shikano, Takahito; University of Helsinki - Malinen, Tommi; University of Helsinki - Merilä, Juha