Color

Blue topaz

Reference information

Name	Blue topaz
Genotype	A/- r/r d/d
Mandatory picture?	Yes
Frequency (all time)	0.08 % (39 rats)
Frequency (in the last 2 years)	0 % (no rat)
Average lifespan (all causes)	22.1 months (♀: 22.7 months – ♂: 21 months)

Description

Agouti + RED + American blue.

Also known internationally as Opal Fawn.