yes dolphins can stay up long because they are like mamals
dolphins need to stay with there mothers for about years.
about 25 years
Dolphins can stay with their mothers for a few months or they will stay with them for a few years, depending on how close it is to its mother.
about 2-3 years
Forever
If you mean how long can dolphin stay under water, it's about 20 minutes for a common bottlenose dolphin. I am not sure about other species of dolphins.
about 4 years
Baby dolphins stay with their mother for 3-4 years.
Dolphins move in an up and down motion, they can go up to speeds of 30mph.
Good question but i dont have a clue
Spotted dolphins can hold there breath under water for 7 to 8 minutes
dolphins can not stay in water long time like most aquatic animals