It seems to be dolphins, and in some cases, other sharks.
Japanese, Sharks and fishing nets
The dolphin's worst enemy is the shark, but humans are slowly turning into the shark's worst enemy. Thousands of dolphins die every day in fishing nets.
a bottlenose dolphins, killer whales, and other sharks
The only enemies they have are other sharks. All species on Planet Earth including sharks should consider Humans their enemy we are poisoning the planet and destroying there habitat at an alarming rate.
the dolphins enemie is all the type of sharks the dolphins enemie is all the type of sharks Killer Whales. I've seen Killer Whales chased down and devour Dahl porposes.
Killer whales eat white sided dolphins as well as sharks. Humans are an enemy of dolphins
Natural predators of octopus are moray and conger eels, dolphins and sharks. - From a Google search.sharks
Killer Whales or Orca are white sharks natural enemy. There has been videos showing Killer whales attacking and killing Great White Sharks. I have seen where some have said that the Great White have no natural enemy! I'm sorry but that is incorrect. Killer Whales are the ones that do not have Natural Enemies except for humans.the only enemy are men.the enemies of the great white sharks men and humpback whales and maybe bottle nosed dolphins
Dolphins are carnivores. This means that many of the animals living in the ocean with a dolphin may become prey. The only enemy of dolphins is sharks.
shark are scared of dolphin.
They aren't any relationship between them as sharks eat dolphins.