Color
Double blue
Reference information
Name | Double blue |
---|---|
Genotype | a/a d/d rb/rb |
Mandatory picture? | No |
Frequency (all time) | 0.33 % (157 rats) |
Frequency (in the last 2 years) | 0.39 % (7 rats) |
Average lifespan (all causes) | 19.4 months (♀: 19.6 months – ♂: 19.3 months) |
Description
Black + American blue + Russian blue.
Also known internationally as Russian silver.