Both male’s and the feminine’s were constructed through selective breeding. This species has two fundamental mutation forms: a xanthorous form an way over yellow pigmentation and a black form. and from these distinct forms have been constructed. Blue and red colors were the 1st and best to develop. They have now been followed by magenta, orange, white, yellow, black, turquoise, dark blue, bright blue with pink highlights, cream, dark green colours. Marble and butterfly styles have emerged in combos of these, comparable to a purple and blue.