- Data from: A universal and reliable assay for molecular sex identification of three-spined sticklebacks (Gasterosteus aculeatus)(2016-05-30) Toli, Elisavet-Aspasia; Calboli, Federico C. F.; Shikano, Takahito; Merilä, Juha; University of Helsinki - Toli, Elisavet-Aspasia; University of Helsinki - Calboli, Federico C. F.; University of Helsinki - Shikano, Takahito; University of Helsinki - Merilä, Juha