NO, they play with other dolphins.
Dolphins communicate under water by using echolocation
Whales and dolphins can't communicate under water
Spotted dolphins can hold there breath under water for 7 to 8 minutes
No
They sleep under water.
Yes
Dolphins don t breath under water. Mammals breath air. Every 15 min they go out of the water to breath
Dolphins sometimes blow air bubbles when they are bored.
sonar
yes
Yes they do but they do it under the water. Because dolphins need the same privacy as our humans.
Whales and Dolphins are born under water and aren't fish.