What is the size of a full grown dolphin?

Dolphins are a diverse group of marine mammals that vary greatly in size. The smallest dolphin species is the Maui dolphin, which can reach a length of 1.7 meters and weigh up to 50 kilograms. The largest dolphin species is the orca, also known as the killer whale, which can grow up to 9.8 meters long and weigh over 9,000 kilograms. Most dolphin species fall somewhere in between these extremes, with the average length being between 2 and 4 meters.