The world's largest known spider by mass is the goliath bird-eating tarantula (Theraphosa blondi). The species can be found in the rainforests of northern South America and weighs up to 175 g (6.2 oz).

With a body length of 54 cm (21 in), Megarachne was a medium-sized eurypterid. If the original identification as a spider had been correct, Megarachne would have been the largest known spider to …

Sep 11, 2025 · The absolute largest spider in history is the Goliath bird eater (Theraphosa blondi), which is the largest spider alive today by length and weight. It weighs around 6.2 ounces and can reach …

Jan 14, 2025 · The huntsman ties for the title of the largest leg span of any spider in the world: a staggering 12 inches (30 centimeters). Discovered in a cave in Laos, this huntsman doesn't build webs.

Oct 7, 2025 · Discovered in a Laotian cave in 2001, Heteropoda maxima can stretch its legs an astonishing 12 inches across, making it the widest spider on Earth. This pale, long-legged spider …

In 1965, researchers found the largest spider ever recorded —a male Goliath birdeater (Theraphosa blondi) with a leg span of 11 inches (28 centimeters). The discovery was made by the Pablo San …

Aug 7, 2025 · The Goliath Birdeater, Theraphosa blondi, is recognized as the largest spider in the world by mass and body length. Found in the rainforests of northern South America, this tarantula can …

Nov 5, 2025 · The undisputed champion of the spider world, in terms of leg span, is the Giant Huntsman Spider (Heteropoda maxima). This colossal arachnid boasts a staggering leg span of up to 30 …

Apr 26, 2025 · The Goliath birdeater holds the Guinness World Record for being the largest spider by mass, with females weighing up to 175 grams (6.2 ounces) – approximately the weight of a young …

It is considered the world's largest spider by leg span, [3] which can reach up to 30 cm (1 ft). [4] The coloration is yellowish-brown with several irregularly distributed dark spots on the rear half. The legs …