Color

Black

Reference information

Name Black
Genotype a/a
Mandatory picture? No
Frequency (all time) 38.4 % (18,372 rats)
Frequency (in the last 2 years) 41.52 % (720 rats)
Average lifespan (all causes) 22.9 months (♀: 23.4 months – ♂: 22.3 months)

Description

Black.