QR Code Link to This Post Dumbo hairless rats I have many different ages 5 week to 10 weeks old, many different colors to many to list. I will put a few samples pictures. I have males and females, its best if you do not already have rats to get two because rats are very very sociable and are happier and healthier with a cage mate, two males or two females together do great.. A male and a female do well but expect youngsters if caged together.