1. Different regions: The distribution regions of narrow bridge musk turtle and musk turtle are different. Narrow bridge musk turtle is mainly distributed in northern Guatemala, Belize and Mexico, while musk turtle is mainly distributed in the United States and Canada.

2. Different shapes: The biggest difference between narrow bridge musk turtles and ordinary musk turtles is their shapes. The colors of narrow bridge musk turtles are relatively light, and their abdominal armors are cross-shaped and relatively narrow. In addition, they have two tentacles on their chins. Musk turtles are mostly dark in color, their belly armors are relatively wide, and they have no tentacles on their chins.

3. Character difference: Narrow bridge musk turtles are irritable. If they are caught, they will keep biting. However, after a period of breeding, their character will become docile. Musk Turtle's character is relatively mild, but it is also aggressive, especially for the same kind, and its attack power will be greatly improved.

It is not recommended to raise narrow bridge musk turtles and musk turtles together, because narrow bridge musk turtles are irritable and may attack musk turtles. In addition, musk turtles are more aggressive to the same kind, so they are not suitable for raising together.

In addition to personality problems, they have different requirements for the environment. Narrow bridge musk turtles have higher requirements for the environment, but musk turtles do not have too high requirements for the environment, so they are not suitable for raising together.