What Is the Largest Spider in the World?


Quick Answer

The Goliath birdeater is the largest spider in the world in terms of body mass, while the giant huntsman spider is the largest by diameter. Guinness World Records considers the Goliath birdeater to be the world's largest spider.

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Full Answer

At a typical maximum weight of about 6 ounces, the Goliath birdeater is the giant of the Tarantula family of spiders. The Goliath takes three to six years to reach full maturity. Males die shortly afterward, while the females live up to 25 years.

The giant huntsman does not typically have the body mass of a Goliath, but the leg span of a full-grown giant hunstman can reach up to 12 inches. Giant huntsman spiders are often mistaken for tarantulas, but the species belongs to the Sparassidae family.

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