What was the biggest spider ever?
William Harris
Updated on February 19, 2026
goliath bird-eating spider
The Goliath birdeater (Theraphosa blondi) belongs to the tarantula family Theraphosidae. Found in northern South America, it is the largest spider in the world by mass – 175 g (6.2 oz) – and body length – up to 13 cm (5.1 in) – but it is second to the giant huntsman spider by leg span.
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How big is the biggest spider ever?
Spider in the handThe South American Goliath birdeater (Theraphosa blondi) is the world's largest spider, according to Guinness World Records. Itslegs can reach up to one foot (30 centimeters) and it can weight up to 6 oz. (170 grams).
How big was the biggest prehistoric spider?
In 1980 paleontologist Mario Hunicken made a startling announcement; he had found the remains of the largest spider to have ever lived. Discovered in the approximately 300 million year old rock of Argentina, this prehistoric arachnid appeared to have a body over a foot in length and a leg span of over 19 inches.How big were spiders in the Jurassic period?
These spiders were about the size of a human hand and lived 165 million years ago, during the Middle Jurassic period.What's the longest a spider can live?
While many common house spiders live a few years some can survive up to seven years. Tarantulas, on the other hand, can live into their 20s. The arachnid with the longest known lifespan prior to Number 16 was a 28-year-old tarantula found in Mexico.Largest Spider in the World - GIANT Tarantula | National Geographic
What was the first spider on earth?
The first definite spiders, thin-waisted arachnids with abdominal segmentation and silk producing spinnerets, are known from fossils like Attercopus fimbriungus. This spider lived 380 million years ago during the Devonian Period, more than 150 million years before the dinosaurs.Did giant scorpions exist?
Sea scorpions include the largest marine predators to have ever arisen in the fossil record, including one species thought to have been more than 2.5 metres long, Jaekelopterus rhenaniae.Was there a dinosaur spider?
Largest-ever fossilized spider, from the Jurassic period, is unearthed in China. LAWRENCE — Once upon a time, a Jurassic spider fossil was an extremely rare find. The first was discovered in Russia and described in 1984 — another was found three years later. But that remained the totality of the fossil record.Who would win a scorpion or tarantula?
The scorpion would win the fight against a tarantula.Despite the tarantula's size advantage, the scorpion is capable of a quick, deadly attack that makes it one of the most dangerous arachnids in the world.