[00:00.183]It's difficult to imagine the sea ever running out of fish. [00:05.451]It's so vast,so deep,so mysterious.Unfortunately,it's not bottomless. [00:14.002]Overfishing coupled with destructive fishing practices is killing off the fish and ruining that environment. [00:23.786]Destroy the fish or destroy the fishermen's means of living. [00:28.812]At least 70 percent of the world commercially important fish species are already overfished or fished to the limit. [00:38.335]As a result governments have to close down some areas of sea to commercial fishing. [00:45.614]Big high-tech fleets in shore and everything in that puff is pulled out of water. [00:52.889]Anything too small or the wrong thing is thrown back either dead or dying. [00:59.664]That's an average of more than 20 million metric times every year.