Dolphins have a lot of natural predators, basically just sharks. Dolphins are able to scare the sharks off though because of the noises they make. I have studied dolphins for twenty years. All I saw was that sharks always hunted for dolphins.
Salmon shark was created in 1947.
No. Orcas have no natural predators.
The Gummy shark is a type of shark found in Australia. They do not really have any natural predators, but are a source of food for humans.
No.
From smallest to biggest: Herring Piranha Salmon Shark
Their natural predators are the Shark and the Barracuda. Sadly, but obviously we are one of the main predators of the eels
The tiger shark has few natural enemies except man. He may be cautious of a white shark, but normally large predators avoid confrontation.
Well their main diet is of course Salmon, but they are opportunistic predators, and don't eating other kinds of fish, such as: Pollock, Rockfish, Pacific Herring, Capelin, Sablefish and squid too!
Sharks are apex predators. They do not have any natural predators except other sharks. Large sharks are known to kill and eat smaller ones.
The most prevalent shark predators are humans.
The jellyfish is prey to many types of ocean animals. These predators include salmon, tuna, shark, sea turtle, and swordfish.
The Salmon Shark is deadly because it is a predator to Krill and Salmon and Squid, who are main meal for most Antarctic animals, no human interaction has been recorded between this shark and humans.