Images of zebrafish during early larval, middle larval and adult stages showing the development of pigment patterns. A close-up view of an adult zebrafish, showing black pigment cells and yellow pigment cells in separate stripes.

On the left is a close-up view of the skin of an adult zebrafish, with sharply-defined borders between dark and light stripes. On the right is a close-up view of the skin of an adult zebrafish from which macrophage cells have been depleted. In this fish, the borders between dark and light stripes are not sharp, and black pigment cells are found among yellow pigment cells.

Image of a macrophage (blue/purple) associated with an airineme from a xanthoblast (green).

Image of a macrophage (blue) delivering an airineme from a xanthoblast (both in green) to a melanocyte (magenta). The left panel shows only macrophages and xanthophores/airinemes. The right panel shows the same image, but with melanocytes now visible.