This spider is a male Maratus speciosus (Coastal peacock spider) and this is its way to appeal to a potential female mate (the brown spider at the end). It is approximately 4 mm in length and inhabits coastal dunes near Perth in Western Australia. The video shows the beautiful peacock spider doing what appears to be a mating ritual where it raises its third set of legs in the air along with its back, which is, like its namesake animal the peacock, very brightly colored.
Not only is this a really cool thing to watch because so few peacock spiders have been filmed in the wild, but it’s also really hypnotic to see the leg movements and peacock-like hind quarters bouncing around in what looks like some type of ritualistic dance.
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