Rochester shrimp. Rochester shrimp is known as the "king of freshwater shrimp", has been a large freshwater shrimp, Rochester shrimp origin is in the Ecuadorian coast, due to the reproductive capacity of feeding simple, and soon in many parts of the world are farmed, is one of the three species of shrimp with the highest amount of breeding, Rochester shrimp body length of about 20 centimeters, the longest 40 centimeters, weighing 600 grams, thin shells and fat body. Artificially cultured Rochester shrimp, shell thin body fat, meat is very tender, delicious, its high nutritional value, very popular with consumers.