The Japanese are great guzzlers of fish, but fish are in finite supply. And farming them to increase that supply can be tricky, because many species are susceptible to disease when crowded together. That fact is the impetus behind a study led by Takashi Sakamoto of the Tokyo University of Marine Science and Technology. Dr Sakamoto is using a combination of modern genetic techniques and classical breeding to produce fish that can survive crowding without falling ill.
View the original article here: Fish Farming: High-Tech Breeders