July 26, 2006—Join explorer-writer Jon Bowermaster as he visits huge fish farms off the coast of Croatia that have sprung up to feed the growing worldwide hunger for tuna.

Juvenile bluefin tuna are regularly caught before they reach breeding age. The youngsters are then fattened up in the fish farms.

These farms are one reason the species has nearly been wiped out in the east Atlantic and Mediterranean by overfishing, warns international conservation organization WWF.

(Read the news story: "Bluefin Tuna in Atlantic Nearing Extinction, Conservation Group Says" [July 24, 2006].)