Dolphin Food Chain
It is similar to the food chain of some whales. It can look like this:
Plankton eats the bodies of dead animals in the ocean.
Krill - small, shrimplike animals - eat plankton.
Squid and small fish eat krill.
Large squid and fish eat small squid and fish.
Dolphins eat small and medium-sized fish and squid, and they also take crustacians and octopus.
Sharks and killer whales eat dolphins. Killer whales eat sharks.