translation.en: The captain of a New Zealand vessel who was just down there is reporting a significant decline in the number of the Ross Sea killer whales, who are directly dependent on the Antarctic toothfish as their main source of food.
translation.zh: 一艘新西兰船舶的船长 刚到过那里。 他报告称， 罗斯海虎鲸数量急剧减少。 虎鲸直接依赖南极牙鱼 作为主要食物来源。