Fish Switch Attention from Neighbor to Neighbor for Seamless Collective Movement (image) PLOS Share Print E-Mail Caption A spontaneous change of swimming direction by a single fish triggers a collective u-turn in a group of rummy-nose tetras (Hemigrammus rhodostomus). Credit Jiang et al. Usage Restrictions CC-BY. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.