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No. Adult humpbacks have no natural predators. Man has severely affected humpback whale populations by killing them for years. Though they are big and strong, they are no match to the weapons and the powerful harpoons that humans created. That is why, Man is the biggest threat to these whales
Most species of Shark are successful predators. Thier Class -- Chondricthyes -- are cartilaginous fish, so they lack the strong, more rigid, (usually) calcium based skeletons of the Teleostes, or boney fishes, which are phylogenically (and evolutionarily) more modern. So sharks are typically more easily damaged than bony fish. However, sharks have a wide niche, a viable birthrate, are present in every ocean and even in some lakes and rivers. As such, I think it's fair to say they're very effective and successful predators.
super strong
Shark are a specie of fish with strong teeth structure. Sharks have a strong body movement and can swim against the flow of water. Moreover, they have teeth's that can tear apart their prey instantly.
Because they can't fly, running and strong legs keeps them safe from predators.
Killer Whales or Orcas are immensely strong. They are largest member of dolphin family with no natural predators beside humans which isn't natural. Orcas have been known to attack great white sharks and blue whales and win.
Answer
Dolphins VS sharks, hmmm. Sharks are pretty strong but dolphins are better. Sharks have pretty sharp teeths but dolphins are much more smarter faster and can kill sharks by smashing their strong beaks right into the sharks gills. Sharks can swim ten to twenty miles per hour but dolphins can swim up to thirty miles per hour, let's go for the dolphins. Sharks has sharp teeths but dolphins has a really strong beak that can kill sharks. The dolphins is now the winner.
It depends on what type of shark it is.
Sharks polar bears sharks clownfish and blue whales
thay are strong enough to chew through another shark !!!!
They have strong legs so they can quickly get away from predators.