Dolphins are not fish. They are mam

Dolphins are not fish. They are mammals that live in the water. Dolphins are among the most intelligent animals on Earth. Although they can be found in all oceans in the world, dolphins prefer coastal waters and bays. The size of dolphins varies greatly. The smallest dolphin is just about 50 kg in weight and 1,2 metres in length while the largest one can weigh up to 8,200 kg and is 10 metres long. Dolphins are carnivores and they eat mainly fish. A female dolphin gives birth to one eleven to twelve months. A dolphins can normally live from twenty- five to sixty – five years and some species of dolphins can even live longer. Dolphin populations are at risk due to the population of their habitat and accidental entrapment in fishing nets.
dolphin is the most intelligent animal in the world