Unlike Chimera axolotls and mosaic axolotls, piebald axolotls can be duplicated in breeding. Although the look is similar to the leucistic axolotls, the piebald axolotls are rarer. Mosaic Axolotl; Mosaic axolotls are born as a result of the fusion of 2 cells in development. The axolotl will show the phenotype of both the cells.