A collective grouping of fish that swim in a coordinated way. This involves swimming together in the same direction. Schools may help fish defend against predators.
![Galapagos Wildlife: Razor surgeonfish © Alice Bartlett](https://www.discoveringgalapagos.org.uk/wp-content/uploads/2014/06/1b2-f-Razor-Surgeonfish-Alice-Bartlett-300x223.png)
Razor surgeonfish schooling © Alice Bartlett
A collective grouping of fish that swim in a coordinated way. This involves swimming together in the same direction. Schools may help fish defend against predators.
Razor surgeonfish schooling © Alice Bartlett