They are entertaining to watch, hardy, come in an assortment of beautiful color mutations and can be very easy to breed, as males are much more colorful. (petbusiness.com)
Captive breeding programs have also produced a variety of beautiful color mutations in Quakers. (thesprucepets.com)
In captivity, however, selective breeding programs have given rise to an array of color mutations within the species, the most popular of these being the blue mutation. (thesprucepets.com)