If they find any traces a bacteria farmers will change the pawn water or introduce microorganisms to fight off their back cousins in four months the shrimp who grew up to 20 centimeters do now ready to travel the world. While the shrimp may have left the farms. There is still a lot of work to do the water is filled with recede you and the shrimp have also left behind ammonia. Toxic waste product both of which are harmful to the environment.