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Turtle is not called tortoise, and what is the difference between turtle and tortoise

Anyuan
Practicing veterinary physician
Turtle is called tortoise, commonly known as tortoise is the general name of turtle and turtle. Turtle is also called ball fish, water fish, turtle and so on. Turtles are called tortoises because their belly lines look like a "king" plus an "eight". This kind of name is relatively early. After the discovery of soft-shelled turtles, people discovered the lines on their abdomen, so they were named tortoise.
Turtle is not called tortoise, and what is the difference between turtle and tortoise 1. Is a turtle a tortoise

A turtle is a tortoise, and tortoise is their common name. Most people will call turtles and turtles tortoises. But soft-shelled turtles are also called ball fish, water fish, turtle, etc. Different from turtles, the carapace of soft-shelled turtles is soft, and soft-shelled turtles belong to turtle family. They are called tortoises mainly because of their belly lines. After the discovery of soft-shelled turtles, people found that the lines on their belly looked like a "king" and an "eight", so they were called tortoises. But now this word is derogatory, so it is rarely used.

2. What is the difference between turtle and turtle

1. Different varieties: Turtle belongs to turtle order, water turtle family and turtle subfamily, while turtle belongs to turtle family and turtle species, and their varieties are different.

2. Different carapace: The carapace of turtle and turtle is also different. The carapace of turtle is soft, while that of turtle is hard. In addition, there will be many patterns on the tortoise's carapace, which looks beautiful. There is no pattern on the turtle's carapace, and it feels smooth.

3. Different body shapes: Turtles and turtles have different body shapes and structures. When turtles are in danger, they will retract their heads and limbs into their shells, but turtles cannot retract their limbs.

4. Character: Turtles and turtles have different personalities. Generally, turtles are mild in character. Even if some are lively, they will not actively attack humans. Turtle's character is very fierce, and it won't let go easily after biting people.

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