Ever seen a purple bug? Me neither. Doesn’t matter though as purple catches fish! The main theory behind this is that purple is the last color in the light spectrum that can be seen in low light. This means when you have two flies submerged in a deep hole one natural brown and the other purple, the purple will be much more visible to the fish. With a smooth biot body and a CDC puff for the wing buds I love the way this fly looks. During the right day and time the fish will be all over it as well.