Diphtheria turtle and red-faced turtle belong to scorpion Zeni turtle, and their shapes are very similar, but they are different from white-lipped turtle, which is a kind of moving-breasted turtle. Both diphtheria turtles and white-lipped turtles come from America and are common ornamental turtles at present. Because they are all water turtles, in addition to preparing special containers, they should be covered with proper amount of sand and injected with clean water, so that turtles can grow healthily.

1. Musk turtles: Musk turtles, knife-backed musk turtles and other unusual varieties are common in Musk turtles, and musk turtles are easy to raise. These turtles are called musk turtles because they can secrete some liquid when threatened, which smells bad and protects themselves.

2. Box tortoise: Box tortoise contains many varieties and is not easy to raise. The representative one is narrow bridge musk turtle, which is difficult to raise and breed, and its price is high. In addition, there are Central American musk turtles, giant musks with three strings, etc., which are not as simple as ordinary musk turtles.

3. Moving-breasted tortoises: As the name implies, all of them have the same characteristic, that is, their breastplates can move. There are many varieties of this genus, such as white-lipped mud turtle, red-faced mud turtle and Huang Ze mud turtle.