Dolphins sometimes blow air bubbles when they are bored.
there is about 33 kinds of dolphins
bottlenose dolphins
Sharks
the most common dolphins that you see in aquariums are bottlenose dolphins or killer whales,but there are more different kinds of dolphins.
There are slightly over 30 species of dolphins in the world
No, there are only about 41 species of dolphins known.
Well dolphins of course probably fish too.
all kinds of animals like dolphins
Dolphins eat fish, but they don't necessarily attack anything.
Sharks of all kinds and Orcas.
big fishes
Yes, and more being discovered.