Female orb-weaver spiders usually eat their mate after sex, but the males have developed a way to fling themselves very far and very fast just as the act is done
at remarkable speeds of up to 88.2 centimetres per second, which Zhang says is impressive for a spider only around 3 millimetres in length. That is as if a person 183 centimetres tall flung themselves 538 metres – the length of about five football fields – in 1 second.at the State University of New York at Fredonia says this research contributes to our understanding of how sexually cannibalistic species continue to successfully mate.
Zhang and colleagues hypothesise that this behaviour evolved to signal fitness as mates. “If a male could not catapult, or the catapulting ability is not good, the female may deplete or eliminate its sperm, and accept other males’ courtship and sperm,” says Zhang.
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