Color

Black

Reference information

Name Black
Genotype a/a
Mandatory picture? No
Frequency (all time) 38.5 % (19,114 rats)
Frequency (in the last 2 years) 43.72 % (888 rats)
Average lifespan (all causes) 22.8 months (♀: 23.4 months – ♂: 22.3 months)

Description

Black.