One distinctive feature that the snake has is a black blotch which runs from the cheek to the angle of the jaw.

It generally has a straw coloured background checkered with brownish spots running along the body.

Captives accept mice (pre-killed, frozen, and live) M. moilensis is not commonly found in collections in the United States, possibly due to the highly aggressive nature of some specimens.

In captivity, M. moilensis should be kept at low humidity, and can be fed a mouse (pinkies for smaller specimens) once every 14–20 days.

They should be supplied with a clean bowl of water, a hiding place, and a small rock to assist in the shedding process.