1996年，普吉湾水域也用过同样方法来驱赶那些在西雅图百乐水闸鱼梯，贪婪吞吃所剩无几的硬头鳟的海狮。
In 1996 , a similar one was anchored in the waters of Puget Sound to scare the sea lions that were devouring the already dwindling supply of steelhead at Seattle 's Ballard Locks fish ladder .
普吉湾