The northern melanoma map turtle is valuable, the price is generally around 500~800 yuan, the carapace is generally round, but the edge is serrated, the juvenile northern melanoma map turtle is obvious, and the northern melanoma map turtle will be toothed. The pattern becomes smaller, and the pattern around the edge suddenly disappears like a paper cut, and the pattern is not growing according to the shape. Therefore, you should be careful when purchasing.

The first thing to observe is whether the carapace pattern of the northern melanoma map turtle is not Obviously, the color is bright, if there is no obvious ring pattern, it may be the northern melanoma map turtle suffering from fungus, do not buy it. In addition, it depends on whether the mood of the northern melanoma map turtle is stable and whether its personality is normal. It is best to ask the merchant to feed the northern melanoma map turtle some food when purchasing to observe the feeding situation and whether it is active. Finally, let's see if the northern melanoma map turtle has any physical disability or inconvenience of movement.