If Hollywood were a reliable source of scientific information, flying spiders would be an existential threat and the furry tarantula, star of countless horror, sci-fi and adventure flicks, would be a major menace.

But the actual threat level of these arachnids, and which ones get boasting rights — such as the most venomous spider — is another, far less dramatic matter.

Remember, the difference between poisonous and venomous creatures is that venomous ones inject their victims with toxins (like a spider biting its prey) whereas poisonous creatures must be eaten or touched for their toxins to take effect. So, unless you're in the habit of eating arachnids, you don't need to worry about poisonous spiders — just venomous ones.

Sydney Funnel-web Spiders

Although there isn't a definiti

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