The Mijusuima is a theropod-like creature with a vague, spinosaurid appearance with large plates covering the top of its body. It sports a variety of vibrant red, orange, yellow, green, and blue colors covering its body, with its underbelly, neck, and the base of its tail being white. It possesses coral-like protrusions on the end of its tail, on its back legs, and on its chin. The Mijusuima appears to have coral horns, and two (2) eyes on both sides of its face (four (4) eyes in total).