Color

Blue topaz

Reference information

Name	Blue topaz
Genotype	A/- r/r d/d
Mandatory picture?	Yes
Frequency (all time)	0.07 % (37 rats)
Frequency (in the last 2 years)	0.05 % (1 rat)
Average lifespan (all causes)	22.5 months (♀: 22.7 months – ♂: 21.9 months)

Description

Agouti + RED + American blue.

Also known internationally as Opal Fawn.