The ocean can be a very dangerous place for even apex predators like sharks. Not all species live in harmony especially if they have to share the same hunting grounds for survival. One example of this is the interaction between sharks and dolphins. Dolphins like porpoising(jumping out of water) often. Which scares away sharks because it looks like they’re about to attack them.
Dolphins Are Too Tricky:
Dolphins use sonar in order to trick sharks into thinking that they’re something else. Which...
https://www.maritimeherald.com/2021/this-is-how-dolphins-terrify-sharks/