The seas have provided food for humanity for millennia. Men have caught fish with rods, nets, trained birds, traps, spears and by hand. To be successful, a fisherman must learn how his prey lives. Where do they gather? When do they breed? Will I get a better catch in the cool of the night or the broiling heat of day? A successful fisherman knows the answer to these questions and is able to turn a daily fishing trip into a wealth of sustenance.