Dolphin is the common name of aquatic mammals within the infraorder Cetacea. The term dolphin usually refers to the extant families Delphinidae, Platanistidae, Iniidae, Pontoporiidae, and the extinct Lipotidae. There are 40 extant species named as dolphins.

How long do most dolphins live?

dolphin survival rates and life expectancies in U.S. zoological facilities have increased significantly over the past few decades; specifically, their average life expectancy is now about 28 - 29 years; and. dolphins in U.S. zoos and aquariums today live as long or longer than dolphins in the wild.

Can dolphins live up to 50 years?

Dolphins can live for a very long time and females tend to live longer than males. Female bottlenose dolphins have been known to live for more than 60 years and dolphins up to 48 years old have given birth. ... Male bottlenoses can live into their 40s.