At present, the average annual fish catch is less than 100 million tons globally, but the total netted by fishing boats is more than 200 million tons. In a situation like this, naturally, fish stocks are continually in decline.
目前全球漁獲量平均每年不到一億噸，而所有漁船加起來的漁獲能力卻在兩億噸以上，在僧多粥少的情況下，漁業生態自然每下愈況。