生活在距今4亿年前的邓氏鱼被认为是史前海洋中最凶猛的捕食者。最近,美国研究人员通过一种生物机械装置模拟邓氏鱼的上下颚,最后得出结论:...Ocean Predators Immerse yourself deep into the ocean in search of the most dangerous predators in our seas. Unveil the mysteries of these fascinating and skilled hunters. Razor-sharp teeth and lightning-fast reactions rule in this unforgiving environment. Are you ready to discover the facts behind the myths and legends about sharks, barracudas and moray eels? Shot in 3D, this documentary introduces you to the Kings of the Sea in an unprecedented way...