It takes more than black and gold cells to create black and gold stripes. When a mutation causes zebrafish to lose their blue and silver pigment cells, spots form across the body. Development ...

The animals can possess different patterns, from a small patch of white on their heads to bold white stripes that merge into a cape-like pattern. There can even be all-white or all-black animals ...

A second group got black stripes, and a third, the control group, went paint-free. Researchers then sat back and watched as the flies descended, photographing the animals for 30-minute intervals ...