How long do spiders live, and how high do grasshoppers jump?

We explore the curious questions that science can answer

Some spiders live for decades (Getty/iStock)

How long do spiders live?

Ordinary spiders live for about a year, although up to five to six months of this may be spent in the egg stage. However, some South American tarantulas can live for as long as 20 years, while some tropical jumping spiders only live for three months.

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