" Some of the most mobile species - many fish, whales, and turtles - hold great value for humans, " he said.

" 一些流动性强的物种——许多鱼类、鲸鱼和海龟——对人类有重要价值。"

Krill, that is, small shrimp, feeding on plankton, fish and crustations feeding on krill, bigger  fish and sharks feeding on other fish, whales feeding on krill and fish.

磷虾， 即小虾， 以浮游生物为食，鱼和甲壳类以磷虾为食，较大的鱼和鲨鱼以其他鱼类为食，鲸鱼以磷虾和鱼类为食。