The killer whale is the largest dolphin. Contrary to the name, killer whales are classified as dolphins. Killer whales longer than 9 meters are the largest dolphins. Dolphins can migrate if they do not have enough food. Although not a migratory species, dolphins will move to a place with adequate food and climate suitable for body temperature. Dolphins have vulnerable skin but recover quickly. Dolphins’ skin is very fragile, they can be injured with just a light touch on the hard surface. However, thanks to the quick healing attribute, even the deepest wound can recover in a short time.
