兩千萬年前，海洋裡住著一隻偌大的生物，牠的胃容量高達近 10000 公升，可以裝下一整隻虎鯨——牠叫做「巨齒鯊」，有史以來最大隻的鯊魚。那麼，巨齒鯊稱霸海洋時，海裡是什麼情況？又為什麼這個稱霸海洋一時的生物終至滅絕了呢？傑克・庫柏和卡特莉納・皮米恩托將會帶領我們了解這些問題的答案。

傑克・庫柏、卡特莉納・皮米恩托: 巨齒鯊為什麼滅絕了呢？

巨齒鯊為什麼滅絕了呢？

Megalodons, ruling the seas 20 million years ago, were apex predators with a diet that included large prey and other predators.

Environmental shifts and competition, notably with the great white shark, led to the megalodon's extinction around 3.5 million years ago.

Post-megalodon, some marine mammals dramatically increased in size, showcasing the profound impact apex predators have on ecosystems.