Dolphins are mammals closely related to whales
and porpoises. Dolphins have a powerful and streamlined
body. They are found in all seas and oceans. Dolphins can be
told apart from porpoises by their nose, which is beaklike, and
also their conical teeth. Porpoises have a flatter nose, sharper
teeth, and a more solid body.
There are 32 known species of dolphins. The bottle-
nosed dolphin is often the species used in aquatic shows. The
common dolphin inspired many Mediterranean folk lores. Both
of the dolphins above appear in open waters, usually around
cruise ships. …
