Twin-flagged Jumping Spider Anasaitis canosus

Photo of Twin-flagged Jumping Spider (Anasaitis canosus)

(c) James Kindt, some rights reserved (CC BY)

OrderSpiders (Araneae)
FamilyJumping Spiders (Salticidae)
GenusAnasaitis (Anasaitis)

Measuring just 5-6mm, this jumping spider packs serious visual drama: twin pennant-shaped "flags" of iridescent setae that shift between white, green, and pink depending on the light. These aren't decorative—they're serious biological signals used in courtship displays and spider-to-spider communication, essentially the peacock tail of the jumping spider world.

Found from Mexico to South Carolina, this tiny acrobat hunts atop leaf-litter and man-made structures with the focus of a much larger predator. The iridescent scales that create those signature flags reveal a visual world far richer and stranger than we once imagined.

Think you can identify this one in the wild?

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