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How do black widows use their venom to catch their prey?

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Black widow spiders are infamous for their potent venom and the females' tendency to sometimes mistake their male counterparts for prey after mating. When they aren't eating each ... The spider uses fangs to inject her victim with venom and digestive enzymes that will first kill then liquefy the body. read more

Black widow spiders are infamous for their potent venom and the females’ tendency to sometimes mistake their male counterparts for prey after mating. When they aren’t eating each other, black widow spiders harness their web-weaving skills to capture and consume their next meal. read more

Some spiders use their fangs to inject the digestive fluid directly into the animal. This sort of spider liquefies the animal's insides, leaving the exoskeleton more or less intact. Then it sucks the liquefied remains into its stomach through hairs on its chelicerae and mouth, which act as a filter. read more

Most spiders use venom to paralyse their prey; they kill it through eating, or through a bite. A few spiders have venoms that can be dangerous to weakened people and those allergic to it. Since 1927, 13 people have died, after a bite from a Atrax robustus spider from Australia. read more

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