Why Do Fish School? And why are they schooling in the first place?

Why Do Fish School?

A swirling mass of fish swims past, as if a single organism was moving in unison. Who gets to be in the middle? How do they not bump into each other? 

By Hakai Institute / Edited by Meigan Henry – Videography by Grant Callegari and Tavish Campbell / March 26, 2020

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