Yes, it is. One member of the trout family, the rainbow trout, will occasionally go out to sea, and return in two or three years to spawn - it's appearance has changed by this point to where it is called a Steelhead trout. But it still begins and ends it's life in fresh water. Most other trout are strictly Freshwater Fish.
Mackerel and trout are both fish, but the mackerel lives in saltwater and the trout in freshwater.
The Cutthroat Trout.
Trots.
trout
Bass, trout, salmon, bluegill, other freshwater fish...
Trout
Most trout are freshwater fish. There is a species that is saltwater, the Sea trout
Trout can be found in mountain streams, so in a way they do live on mountain.
The freshwater fish you are referring to is likely a "trout." Trout are a type of freshwater fish belonging to the Salmonidae family. They are known for their streamlined bodies, colorful markings, and preference for cool, clear waters. Trout are popular among anglers for their sport fishing qualities and are also valued for their taste and nutritional benefits.
Trout are fresh, cold water fish that need high oxygen levels.
mostly trout
There are several fresh water fish that are 10 inches long, trout is a good example.