Food and Agriculture Organization based in Rome, over 50 billion vertebrates are consumed by humans every year, a number that does not account for fish or marine and fresh-water invertebrates, or for biomedical victims of experimentation, from dogs to hamsters to rats and mice.
Brian figured that if he could solve the technology and logistics problems required to anchor a fish farm 10 or 20 miles offshore, where swift currents carry away and disperse the waste produced by concentrated fish stocks, it would allow the farmed fish to swim in the same freshwater as their wild cousins-the best of both worlds.