All life stages of fish and shellfish
All life stages of fish and shellfish means eggs, larvae, juveniles, and adults. It does not include members of the infraclass Cirripedia in the subphylum Crustacea (barnacles), green mussels (Perna viridis), or zebra mussels (Dreissena polymorpha). The Director may determine that all life stages of fish and shellfish does not include other specified nuisance species.
Source
40 CFR § 125.92
Scoping language
In addition to the definitions provided in 40 CFR 122.2, the following special definitions apply to this subpart: