This creature has a streamlined, medium - sized body. Its glossy skin shifts from blue to purple, with metallic - sheen scales on the back and limbs. The small head has large, golden, patterned eyes and a tiny mouth with sensory whiskers. Long, upward - curving ears give it excellent hearing. Each of its four strong limbs ends in crescent - shaped claws, with thick muscles at the joints. Large bat - like wings on its back have deep blue - purple coloration and glowing spots