Dolphins have a spindle-shaped torso, smooth and hairless skin, strong and flexible bodies, and are good at jumping and snorkeling. It is the fastest mammal in the water. Widespread in the world's oceans.

It has a well-established sonar system, relies mainly on echolocation during activities, and has excellent hearing in water and air.

Distribution range.

Distributed in all seas of the world, the most abundant in tropical coastal areas, there are also some freshwater rivers.

Living environment.

Most dolphins prefer to live in warmer waters in the tropics and subtropics, and there are plenty of dolphins in places with moderate water temperatures.

In terms of depth, the distribution depths of different species of dolphins are different. Most dolphins live in shallow waters.

Its habits.

Food.

It mainly feeds on fish, shrimp and squid.

Like other toothed whales, dolphins rely on echoes to locate their prey and can even stun them with high sound levels.

Activity.

Dolphins swim very fast, usually the fastest speed is about 30~40 kilometers per hour, individual dolphins can exceed 55 kilometers per hour and can last for a long time. They are the long-distance swimming champions in the ocean.

Group behavior.

Some dolphins are highly social species, living in large groups, sometimes consisting of more than 100,000 dolphins, and exhibiting many interesting collective behaviors.

Members also work together to rescue injured or sick dolphins.

Breathe.

In the process of breathing, dolphins need to get out of the water and cannot stay in the water all the time, otherwise there is a risk of drowning.

When dolphins breathe, they use their nostrils and mouth to expel air from their lungs and then inhale fresh air.

Every so often, dolphins need to touch the surface of the water to breathe.

Comminicate.

There is also a unique way of communication between dolphins. It can not only make different sounds, but also express different meanings through the air bubbles in the water.

They also used body language, jumped out of the water, bit their jaws, and even hit their heads.

They are one of the most intelligent animal families. They are gentle, friendly, lively and active, and are generally loved by people all over the world. There are many movements that can be learned under human training.

Do you know why dolphins are so smart?

Because dolphins have two brains, they are as smart as humans.

It sleeps with one eye open and the other closed, with two brains working separately and very alert. Only in this way can the danger be avoided as much as possible.

Not only do dolphins save people in times of distress, but they are also gifted performers.