1. Different colors: The most obvious difference between Brazilian yellow-eared tortoise and red-eared tortoise is their color. The color of Brazilian yellow-eared tortoise is yellow, especially the color of carapace and skin, which is bright yellow. The Brazilian red-eared turtles are all dark green in color. In addition, the patch behind the eyes of yellow-eared turtles is yellow, and the patch behind the eyes of red-eared turtles is red.

2. Different lines: The lines on the head and neck of Brazilian yellow-eared turtle are uneven and intermittent. Although the lines on the heads of red-eared turtles are uneven, they are linear.

3. Different abdominal armour: The abdominal armour of Brazilian yellow-eared turtle and Brazilian red-eared turtle is also different. There is a spot on each of the two shields in front of the abdominal armour of yellow-eared turtle, and each shield on the abdominal armour of red-eared turtle has a pattern, and the pattern is different.

Yellow-eared tortoise and red-eared tortoise can be raised together, because they belong to the same kind of tortoise, have the same requirements for living environment and food, and have similar habits, so there will be no discomfort when they are raised together.

However, both of them are highly active and fierce in character, so breeders need to prepare a larger container for them to ensure sufficient space for their activities. Besides, they should be prepared with enough food, so as to avoid the frequency of their fights.