The emergence and development of behavioral individuality in clonal fish

Kate Laskowski, David Bierbach, Jolle Jolles, Carolina Doran & Max Wolf
Behavioral individuality is a ubiquitous phenomenon in animal populations, yet the origins and developmental trajectories of individuality, especially very early in life, are still a black box. Using a high-resolution tracking system, we mapped the behavioral trajectories of genetically identical fish (Poecilia formosa), separated immediately after birth into identical environments, over the first 10 weeks of their life at 3s resolution. We find that (i) strong behavioral individuality is present at the very first day...
1 citation reported since publication in 2022.
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