他现在正在制作一个机器猎食者，用来观察鱼群对凶猛入侵者的反应。
He is now making arobot predator to see how the shoal reacts to less benign intruders.
上龙被认为是一种埋伏型猎食者，使用它们巨大的鳍状肢发动凶猛的进攻。
Pliosaurs are thought to have been ambush predators, using their giant flippers to launch ferocious attacks.
梭鱼是凶猛的掠食者，通常采用伏击的方式猎食，依赖意想不到的高速度向猎物发动攻击。
They are voracious predators and hunt using a classic example of lie-in-wait or ambush. They rely on surprise and short bursts of speed to overrun their prey, sacrificing maneuverability.
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