在这部忍者鲨2：变种来袭纪录片片中,鲨鱼专家们发现了三种发展出独特且致命技能的鲨鱼。这些鲨鱼分别位于三个不同的地方。第一种是出现在繁忙的纽约海岸线的长尾鲨，它们只在这里停留整整两周。这些鲨鱼已经发展出一种通过尾部抽打来击晕或杀死猎物的技能。往南走，在外滩有一片二战时期的沉船坟场，这片区域已成为一个人工礁石，容纳着大量沙虎鲨。这些沙虎鲨发展出了一种隐身适应性，能够在平静的水域中静止不动。通常，鲨鱼需要持续游动才能存活，这使得这种技能尤为独特。第三种鲨鱼出现在太平洋和白令海，它被称为鲑鱼鲨。它们的“忍者”技能是拥有超高温核心，以便在极寒水域中生存。看看科学家们如何研究这些物种。——Tiny T
Shark experts has discovered three sharks who developed unique and deadly skills. These sharks are situated on three locations. The Tresher shark at the crowded New York coast line, who are only there for excactly 2 weeks. They developed the skill to stun or kill there prey with a tail whiplash. Further down south at the outer banks there is a ship graveyard from WW II which became a artificial reef and is the home for great numbers of sand tiger sharks who developed a stealth adaptation which keeps them motionless in the mercy water. Normally a shark has to keep moving to stay alive, which makes this skill quite unique. On the other side in the pacific/ bering sea a third ninja sharks manifest itself and is called the Salmon shark. There ninja skill is a super heated core, to survive in the freezing cold water. See how they research these species
