### Question
How is the term steelhead defined?


### Answer
The term **steelhead** is defined in *16 U.S.C. § 3302* as the following:

> the anadromous rainbow trout species Salmo gairdneri, commonly known as steelhead

#### Citation:
  - *16 U.S.C. § 3302*
  - Heading: **CHAPTER 52-SALMON AND STEELHEAD CONSERVATION AND ENHANCEMENT > SUBCHAPTER I-GENERAL PROVISIONS**

