How much space do trouts need?

Trouts generally require a minimum of 100 gallons of water per fish in an aquarium setting to thrive, as they need ample space for swimming and maintaining water quality. In natural environments, they inhabit streams, rivers, and lakes where they can range over larger areas, often requiring several hundred meters of habitat. Additionally, factors like water temperature, oxygen levels, and food availability also influence their habitat needs. Overall, providing adequate space is crucial for their health and well-being.