Mexichromis tica is translucent white with pink viscera showing through the back. There is an opaque white band along the middle of the back and a broad opaque white band at the mantle edge. Adjoining the inner side of the white marginal band is a band of orange or yellow, which may be broken into spots. There is a medial white band on the translucent foot with an elongate orange spot in it. The gill pinnae and rhinophores are translucent white, with orange pigment at the tips of the rhinophores. The livinganimals were only up to in length.