Brown trout start life on a diet of invertebrates, but later on some of them switch to eating fish. These larger, predatory individuals are sometimes known as ferox trout, and were once thought to be a different species. Sea trout are also the same species as the brown trout, but sea trout are migratory, heading out to sea for most of their life and returning to rivers to spawn.
Scientific name: Salmo trutta
The following habitats are found across the Brown trout distribution range. Find out more about these environments, what it takes to live there and what else inhabits them.
Discover what these behaviours are and how different plants and animals use them.
Additional data source: Animal Diversity Web
Population trend: Unknown
Year assessed: 2008
Classified by: IUCN 3.1