The Trout "rainbow" or Oncorhynchus mykiss is a fish species belonging to the family Salmonidae, native to the Pacific coast of North America, due to its easy adaptation to captivity, his upbringing has been widely spread almost worldwide , has high growth rates which can obtain in some cases up to two annual harvests in commercial sizes.

Technology designed and adapted for the cultivation of rainbow trout is fully dominated in all phases, ensuring the success of the operations and a high return on investment. It is a semi-fat fish, as it provides about 3 grams of fat per 100 grams of meat. It contains proteins of high biological value. Peru has fish farms dedicated to raising trout in Puno, Arequipa, Huancayo.