Images of Schools of Fish
If a group of fish is swimming together, they are schooling.
![](https://www.freetheocean.com/wp-content/uploads/2021/04/5baeb99c2600003500814a14.jpeg)
How do fish swim in schools? Scientists say it's in their genes.
![](https://www.freetheocean.com/wp-content/uploads/2021/04/QHnfrUC.jpg)
Fish swim in schools for many reasons, including for safety.
![](https://www.freetheocean.com/wp-content/uploads/2021/04/iStock-861688476.jpg)
When fish are schooling, they are working together.
![](https://www.freetheocean.com/wp-content/uploads/2021/04/opt__aboutcom__coeus__resources__content_migration__treehugger__images__2019__03__school_of_fish-83c2c926d6ee4ab1aa938e358046171b.jpg)