Numbers of Nonindigenous Aquatic Species Introduced into the US
»                   Foreign to US       Native to US
•Amphibians 13 24
•Crustaceans 15 15
•Fishes        176       331
•Mollusks 29   7
•Reptiles 21 33
This includes some species outside the realm of commercial aquaculture by including all the gamefish that were intentionally stocked by government agencies. I have divided it into 2 groups, species foreign to the US and species native to the US that have been transplanted around the country.