Reptile & Amphibian Forums

i have a albino black rat that the top half of his body is normal then it turns like a lucisitic rat what may have cause this.
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1.1.1 savannah monitors
1.2.6 turantula
2.0.0 ball pythons
1.1.0 burmese pythons
0.0.3 turtles
3.14.0 brearded dragons
2.2.0 red-tail boas
1.1.0 green iguanas
0.0.1 rhino iguana

They often lose much of their pattern as they age, but keep more of it toward their head.