What is the Biggest Spider in the World: The Ultimate Guide

Spiders are fascinating creatures that have been around for millions of years. With over 45,000 species known to exist, spiders are one of the most diverse groups of animals on the planet. However, some spiders are more well-known than others, and one spider that captures people’s attention is the biggest spider in the world. In this article, we’ll explore what the biggest spider in the world is and other interesting facts about these arachnids.

piders are among the most fascinating creatures on earth. With their unique physical features and incredible hunting skills, they have captured the attention of many. However, some spiders are bigger than others, and the biggest of them all is the subject of our discussion: the world’s biggest spider. In this article, we will explore the fascinating world of spiders and discover what is the biggest spider in the world.

What is the biggest spider in the world?

The biggest spider in the world is the Goliath bird-eating spider (Theraphosa blondi). This spider is native to the rainforests of South America and is renowned for its size and strength. It is one of the most massive spiders, with a leg span of up to 30 centimeters and a weight of up to 170 grams.

What does the Goliath bird-eating spider look like?

The Goliath bird-eating spider has a unique appearance that sets it apart from other spiders. It has a hairy body, with a reddish-brown color, and long legs. The female is larger than the male and can grow up to 30 centimeters in leg span. The males, on the other hand, are smaller and have a shorter lifespan.

Where do Goliath bird-eating spiders live?

Goliath bird-eating spiders are found in the rainforests of South America, including Brazil, Venezuela, and Suriname. They prefer to live in deep burrows that they dig themselves or in abandoned burrows of other animals.

What do Goliath bird-eating spiders eat?

Despite their name, Goliath bird-eating spiders rarely eat birds. They feed on a variety of prey, including insects, small mammals, frogs, and lizards. They are also known to eat snakes and bats.

How does the Goliath bird-eating spider hunt?

Goliath bird-eating spiders use several strategies to hunt their prey. They use their strong legs to overpower and immobilize their prey. They also use their fangs to inject venom into their prey, which paralyzes them, making it easier to kill and eat them.

Are Goliath bird-eating spiders dangerous to humans?

Goliath bird-eating spiders are not considered dangerous to humans. Although they are venomous, their venom is not lethal to humans, and they rarely bite humans unless provoked. However, their bite can cause pain, swelling, and itching.

How do scientists study Goliath bird-eating spiders?

Scientists study Goliath bird-eating spiders by observing them in their natural habitat and in captivity. They also use techniques such as genetic testing, electron microscopy, and X-ray diffraction to understand their biology and behavior.

How can we protect Goliath bird-eating spiders?

Goliath bird-eating spiders are threatened by habitat destruction, deforestation, and illegal collecting for the pet trade. To protect them, we must conserve their natural habitat and prevent their illegal trade. It is also essential to educate people about the importance of these spiders in the ecosystem.

Here is a video of the Goliath Birdeater in action:

Other Giant Spiders

While the Goliath birdeater is the largest spider in the world, there are other species of spiders that are also quite large.

Huntsman Spider

The huntsman spider (Sparassidae) is a large, long-legged spider that is found in warm regions around the world. They can grow to be up to 30 centimeters (12 inches) in legspan, and their bodies can reach a length of 15 centimeters (6 inches). Huntsman spiders are known for their speed and agility and are excellent hunters.

Brazilian Salmon Pink Bird-Eating Tarantula

The Brazilian salmon pink bird-eating tarantula (Lasiodora parahybana) is another large tarantula that is found in South America. They can grow to be up to 25 centimeters (10 inches) in legspan and can weigh up to 100 grams (3.5 ounces). Despite their name, they rarely eat birds and instead feed on insects, small mammals, and other tarantulas.

Camel Spider

The camel spider (Solifugae) is not technically a spider, but it is often mistaken for one due to its appearance. They are found in arid regions around the world and can grow to be up to 15 centimeters (6 inches) in length. Camel spiders are known for their speed and agility and are capable of running at speeds of up to 16 kilometers (10 miles) per hour.

Frequently Asked Questions

Q: Are giant spiders dangerous?

A: While many species of giant spiders have venomous bites, they are typically not dangerous to humans. Most spiders will only bite if they feel threatened, and their venom is usually not strong enough to cause serious harm.


Spiders are fascinating creatures that have captured the attention of humans for centuries. The biggest spider in the world is the Goliath birdeater, which can grow up to a foot long and weigh as much as a small puppy. While they may look scary and intimidating, these spiders are generally not aggressive towards humans and are an important part of their respective ecosystems.

It is important to understand the role that spiders play in the natural world and to appreciate their unique qualities. With the information provided in this article, readers should have a better understanding of what the biggest spider in the world is and why it is such an intriguing creature. Whether you are a fan of spiders or not, there is no denying that they are an important part of our world and deserve our respect.

So the next time you come across a spider, try to appreciate its beauty and significance. And if you happen to come across a Goliath birdeater, just remember to give it plenty of space and let it go about its business.

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