If you have ever used virtual reality, you may know how disorienting it is when the image you are seeing doesn’t quite match up with your movement – and zebrafish may experience this, too. Studying how these fish react to virtual environments can give us a closer look at how they perceive the world and make decisions.

“It tells us something quite exciting about zebrafish, which is that they appear to have an internal model of the world that they use to predict consequences of their own …