how many different types of dolphin are there
There are 36 types of dolphines in the world. 32 of them are marine dolphins and there are river dolphins with unknown number of types. According to latest researches, there are 4 main river type dolphins. Dolphines live in saltwater but there are also some dolphin types living in frash water. Bottlenose Dolphins are most popular dolphin types in the world. They are the general dolphin type used in the circus and other exhibition centers.