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Are all spiders are poisonous?

Best Answers

All spiders have fangs! And, yes, they almost all have venom in them. Lucky for us, most spider poison will not harm people because it is quite weak. Most spiders use their venom to paralyze its insect victim long enough to devour it. read more

Almost all spiders are venomous; only two small families lack venom glands. The purpose of spider venom is to subdue the spider's prey, almost always insects. In brief, it's an insecticide. Spider venom does not exist to harm creatures, like humans, that are too large for spiders to eat, and in nearly all cases has little if any effect on humans. read more

All spiders have some kind of venom, in order to disable their prey. But most spiders have venom that is either medically harmless to humans, or they inject so little of it that they cannot be considered 'poisonous'. read more

Venom is a toxin that's usually injected. Venomous snakes have fangs. Bees, wasps and hornets have stingers. All are used to inject venom. Spiders, which are classified as arachnids, have fang-like mouthparts called chelicerae, which are used to inject venom, a powerful mixture of toxic chemicals. read more

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