It is dependant on the type of river dolpin.
i really dont know
They are 2 ft long! How amazing!I live in China. I saw one.
most dolphins live 30 to 40 years
Yes they do
Dolphins live 30-50 years or mabye more
20 years
Dolphins in the wild can live for about 40 to about 70 years. The smaller dolphins like the Bottlenose dolphins live about 40 years while the orcas live closer to 70 years.
92 inches
they live for 27-47 years old
most dolphins live 30 to 40 years
dolphins only live on land and they are gray so it is not easy to see them. they have long noses so that they can smell easly.
It has been around for 200,000,000 years.