Movie S2 from Synchronization and collective swimming patterns in fish <i>Hemigrammus bleheri</i> I. Ashraf R. Godoy-Diana J. Halloy B. Collignon B. THIRIA 10.6084/m9.figshare.4009737.v1 https://rs.figshare.com/articles/media/Movie_S2_from_Synchronization_and_collective_swimming_patterns_in_fish_i_Hemigrammus_bleheri_i_/4009737 Movie showing the two different synchronization states of a fish pair. The swimming velocity is U=15cm/s 2016-10-12 10:32:57 collective behaviour schooling fish hydrodynamic interactions