Northern map turtle

Appearance of the northern map turtle Like all map turtles, it has a mottled pattern like a map. However, the northern black map turtle is still easy to distinguish because it has spine-like black tumors on its back, which is its most distinctive mark.

The maximum carapace length of the northern black-spotted map turtle is 19.1 centimeters. There are obvious black tumor-like protrusions on the front edge of the front vertebral shield, and there are yellow fine lines on the carapace. The macula behind the eyes spread backward, forming a Y-shaped appearance after arranging the main branches on both sides. In addition, the posterior edge of the carapace is significantly serrated. The color of the carapace is lighter when young, and gradually becomes darker as the age increases.

The pattern on the carapace of juvenile tortoises is inconspicuous, in the shape of a swirl, and the protruding black tumors are also very obvious. The difference between the pattern and the background color is obvious after adulthood, so it looks good when you look at it. will be more significant. The pattern on the head echoes the pattern on the body, forming a good protective color. The biggest feature is the yellow horizontal stripe behind the eyes, which is different from the patterns in other places and creates a good look on the head. Y shape.

The carapace is roughly round, but the edges are jagged, which is obvious in juvenile turtles. The teeth become smaller in adult turtles, and the pattern around the edge looks like paper cutting. It usually disappears suddenly and does not develop patterns according to the shape.

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