These are very, very small spider species. Adults typically measure about 0.16 to 0.2 inches (4 to 5 millimeters) in length. As is the case with other peacock spiders, the Maratus jactatus males ...

makes this species unique amongst their relatives, the bees, wasps and ants. Figure 1: Examples of ultrablack colors in animals within their natural habitats. (A) Peacock spider ... [+] (Maratus ...