they are not relly big predators but they are for some fishes and others
no sharks are
No, it's mainly a predator.
The black caiman and the green anaconda is an known predator.
yes they do they are sharks
a dolphins contribution to its ecosystem being a secondary predator and preserving balance
about the only predator is people. unless that is you count dolphins believe it or not they are know to gang up on sharks and kill them.
dolphins protect themselves by whipping their tail on the predator or bangs its head on the predator
Dolphins are actually predators themselves, but are hunted by two species: orcas and sharks.
Actually humans are the main predator to many river dolphins!
Orcas, dolphins, humboldt quid, humans
Birds and larger fish/dolphins and whales
Dolphins are quite high on the oceanic food chain, but not quite at the top. The apex predator, the killer whale (or orca) does prey on dolphins.