Information about dolphins :
Small dolphins eat fishes like herring,cod or mackerel.
Larger dolphins like killer whales eat marine mammals like seals or sea lions and sometimes even turtles.
Dolphins catch fish by slapping their tail o n the ground to beat up sand around the fish to make a "wall"and fish don't go trough they jump over and the dolphins wait around the"wall" and catch the fish.
Information about different types of dolphins:
A common Bottlenose
A killer whale