There is no significant difference between males and females, but there is a great difference in weight. When the female individual weighs1000g and the male individual weighs 250g, the sex can be identified.

The weight of female can reach1000 ~ 2000g, the abdominal nail is flat, and the cloaca hole is in the back edge of the carapace. Males weigh less than 500 grams, with long claws and long tails on their limbs.

This turtle has two characteristics:

First, the turtle is not black, colorful, with red and longitudinal light green stripes on the head, dark green with regular geometric patterns on the back, a circumferential skirt like Hua Hudie wings, and yellow, white and black A-shaped patterns on the web, and each turtle is different.

Second, the movement is lively, more active than the average turtle and faster.

The origin of Brazilian red-eared turtle is not in Brazil, but in the Mississippi River and Rio Grande River basins in North America. Now it has been used by many families as pets for breeding or viewing, but there are still restaurants for food animals.

Brazilian red-eared turtle is probably the most widely raised reptile in the world, and it is listed as one of the most dangerous invasive species in the world because it plunders a lot of similar living resources.