In 1877, the U.S. Fish Commission loaded crates of a foreign fish onto trains and sent them across the country.

In the 1970s, wildlife and aquaculture managers in the southern United States imported four species of carp from Asia, bighead, silver, grass and black carp, intending to use them…

In 1877, the U.S. Fish Commission loaded crates of a foreign fish onto trains and sent them across the country.