TIL that, to prey on sharks more easily, orcas (killer whales) use their powerful jaws and speed to flip sharks upside down, which induces tonic immobility in the shark (a state of paralysis).

https://www.sharktrust.org/tonic-immobility

https://www.reddit.com/r/todayilearned/comments/15q2vh8/til_that_to_prey_on_sharks_more_easily_orcas/