08/03/2025
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Posture and Body Language
Just like dogs or cats, jumping spiders use body language to communicate their moods and intentions. A relaxed jumping spider typically has a calm posture, with its body flat against a surface, its legs stretched out, and its antennae moving slowly. When it feels curious or playful, it may “bounce” or hop in place, even shifting its body to get a better look at its surroundings.
Conversely, when a spider feels threatened, it will display defensive behaviors. You might notice it raise its front legs, arch its body, or stand upright. This posture is meant to make the spider appear larger and more intimidating. If you’re too close to the spider or you make sudden movements, you might see it adopt this defensive stance, which is its way of saying, “I feel threatened, back off.”
Some jumping spiders will even make short, rapid jumps to get out of perceived danger or to create distance from your hand if you try to handle them. This quick movement can be interpreted as a direct form of communication, signaling that the spider prefers to remain undisturbed.
