If you want to know how to choose a black line mouse, you can look at the following aspects.

1. Appearance characteristics. The black-lined mouse is 65-120mm long, with a small head and a pointed snout. Ears are 9 to 16mm long and can be turned forward to approach the eyes. The tail length is 2/3 of the body length, and the tail hair is underdeveloped and ring-shaped.

2. Color. The dorsal hair of the black-lined mouse is generally tan, the base of the dorsal hair is dark gray, the upper part is yellowish brown, and some have black tips. There is a distinct black line on the back, extending from between the ears to the base near the tail, with brown hair on the side without black tips, and gray on the ventral surface and the inside of the limbs.