Actually, the real-life mantises (as far as the ones I've seen in images) only have 4 legs, the arms count as two of them:
Also, a free size comparation between a mantis and a spider... THOSE ARE REALLY SCARY!
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well, I think you mean arachnids, but no, they're not arachnids because arachnids have 8 legs, they're insects. me, on my infinite derpiness =P forgot that the two claw like appendages used for snatching pray also count as legs. It was never a question about whether or not they were arachnids, because the only have 6 legs. =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P =P