Search
A school of herring migrate at high speed to their spawning grounds in the Baltic Sea. | Wikimedia Commons
Animals

Here’s How Schooling Fish Coordinate Their Graceful, Mesmerizing Movements

The seamless, collective movement of schooling fish, as well as flocking birds, is advantageous to a group, protecting it from predators and helping it find food.

Published On 11/21/2017
10:21 PM EST
A spontaneous change of swimming direction by a single fish triggers a collective U-turn in a group of rummy-nose tetras (Hemigrammus rhodostomus). | Jiang et al.
Dozens of small off-the-shelf drones sit idle while program officials conduct system checks to prepare them for flight preceding an evaluation. | US Army photo by John Hamilton