A fish farmer intends to place a few cages along the coast of a large inland lake in Africa to grow a popular species of fish from North America. Which of the following is the most valid concern for people who practice traditional subsistence or commercial fishing in the area? A.
If fish escape the cages, they may disrupt native species and reduce fishing production.

B.
The caged fish may consume all the nutrients in the lake water and cause a die-off.

C.
North American fish species produce excess nutrients that will create algae blooms.

D.
The local population will become accustomed to eating more fish, causing overfishing.

E.
The introduced fish will not be incorporated into local diets, and the new industry will fail.