Uncovering the World’s Largest Spider: Everything You Need to Know

The biggest spider in the world is a fascinating creature that has captured the attention of many. With its impressive size and unique features, this arachnid stands out among its peers. Let’s explore more about this giant spider and learn what makes it so special.

Scientific Name of the Biggest Spider in the World


The biggest spider in the world is a fascinating creature that has captured the attention of many people. Its scientific name is Goliath birdeater, and it is known as one of the largest spiders on earth. The Goliath birdeater belongs to the tarantula family, which includes over 900 species of spiders.

Origin of Name

The name “Goliath birdeater” comes from its impressive size and diet. It was named after Goliath, a biblical giant, and its ability to eat small birds.


The Goliath birdeater is native to South America, specifically Brazil, Venezuela, Suriname, Guyana, and French Guiana. It prefers to live in rainforests but can also be found in savannas and grasslands.


The scientific classification of the Goliath birdeater is as follows:
Kingdom: Animalia
Phylum: Arthropoda
Class: Arachnida
Order: Araneae
Family: Theraphosidae
Genus: Theraphosa
Species: T. blondi


Despite its intimidating size and reputation as a predator, the Goliath birdeater is not aggressive towards humans unless provoked. When threatened, it will often rub its hind legs together to produce a hissing sound and may even rear up on its hind legs to appear more intimidating.

Conservation Status

Although there is no official conservation status for the Goliath birdeater due to its wide distribution range, deforestation and habitat loss are major threats to its survival. Additionally, it is often collected for the pet trade, which can be detrimental to wild populations if not done sustainably.

Common Habitat of the Biggest Spider in the World


The Goliath birdeater is a fascinating creature that lives in some of the most biodiverse areas on earth. Its habitat plays a significant role in its survival and reproduction.


The Goliath birdeater is commonly found in rainforests, where it can find ample prey and shelter. Rainforests are characterized by high levels of rainfall and humidity, which create an ideal environment for spiders like the Goliath birdeater. The spider can often be found living in burrows or under fallen logs or rocks.


The Goliath birdeater can also be found in savannas, which are characterized by grasslands with scattered trees. In these areas, the spider may live in burrows or under rocks or logs. Savannas provide an open environment that allows the spider to move around more freely and hunt for prey.


Grasslands are another common habitat for the Goliath birdeater. These areas are characterized by vast expanses of grasses with few trees or shrubs. In these areas, the spider may live underground or under rocks and logs.

Threats to Habitat

Deforestation and habitat loss are major threats to the Goliath birdeater’s habitat. As human populations continue to expand, more land is cleared for agriculture and urban development, which reduces available habitats for many species, including the Goliath birdeater.

The Impressive Size of the Biggest Spider in the World


The size of the Goliath birdeater is one of its most impressive features. It is known as the largest spider in the world, and its size can be intimidating to many people.

Size and Weight

The Goliath birdeater can have a leg span of up to 30 centimeters (12 inches) and can weigh up to 175 grams (6 ounces). This makes it larger than many small mammals like mice and rats. Females are generally larger than males, with some reaching sizes that are twice as big.

Comparing to Other Spiders

To put the size of the Goliath birdeater into perspective, it is important to compare it to other spiders. The average tarantula has a leg span of around 15 centimeters (6 inches) and weighs around 85 grams (3 ounces). This means that the Goliath birdeater is almost twice as large as an average tarantula.

Growth Rate

The Goliath birdeater grows quickly in its early years, but growth slows down as it reaches maturity. It can take up to five years for a female to reach maturity, while males mature faster and may only take two or three years.

Distinctive Physical Characteristics of the Biggest Spider in the World


The physical appearance of the Goliath birdeater is unique and distinctive. Its appearance sets it apart from other spiders, making it easy to identify.


One of the most distinctive features of the Goliath birdeater is its hairiness. Its body is covered in long, thick hairs that help protect it from predators and trap moisture close to its skin. The hairs also play a role in thermoregulation by trapping warm air close to the spider’s body.


The Goliath birdeater is typically brown or black in color, but it may have orange or reddish hairs on its legs and abdomen. The underside of its body is usually lighter in color than the top.


The fangs of the Goliath birdeater are another distinctive physical feature. They can be up to 3 centimeters (1.2 inches) long and are used to inject venom into prey. Despite their intimidating size, the venom of the Goliath birdeater is not considered dangerous to humans.

Dietary Habits that Set the Biggest Spider in the World Apart


The Goliath birdeater has a unique diet that sets it apart from other spiders. Its ability to eat small animals like birds has earned it a reputation as one of the most fearsome predators in the animal kingdom.

Prey Items

The Goliath birdeater is an opportunistic feeder, which means it will eat whatever prey it can catch. Its diet includes insects, frogs, lizards, snakes, and even small mammals like rodents and bats. It also occasionally eats small birds, although this is rare.

Hunting Techniques

The Goliath birdeater uses several hunting techniques to catch prey. It may ambush prey by lying in wait for them to come close before striking with its fangs. It may also chase down prey or use its strong legs to capture fast-moving prey like insects.

Digestion Process

After catching prey, the Goliath birdeater will inject venom into it using its fangs. The venom helps immobilize and kill the prey before digestion begins. The spider then uses digestive enzymes to break down the prey’s tissues before absorbing the nutrients. The digestion process can take several hours or even days, depending on the size of the prey.

In conclusion, the Goliath birdeater tarantula is currently considered the biggest spider in the world, with a leg span that can reach up to 30 centimeters.

The Goliath birdeater is the biggest spider in the world, belonging to the tarantula family. Its scientific name is Theraphosa blondi, and it is native to South America. The spider’s intimidating size and diet have earned it its name, as it can eat small birds. Despite its reputation as a predator, it is not aggressive towards humans unless provoked. Deforestation and habitat loss are major threats to its survival, and unsustainable collection for the pet trade can also harm wild populations. The spider prefers to live in rainforests but can also be found in savannas and grasslands.


Does the Goliath birdeater bite humans?

Despite having inch-long fangs and venom, the Goliath Birdeater’s bite is not lethal to humans. However, it can be quite painful and has been compared to the feeling of being stung by a wasp or having a nail hammered into your hand.

What is the deadliest spider?

The Sydney funnel-web spider, also known as Atrax robustus, is considered the most harmful spider to humans worldwide, according to the Guinness World Records. This venomous spider is found in wet areas, including gardens and under logs, and is native to Australia.

What is the smallest spider?

Patu digua is a species of spider from the Symphytognathidae family and is known for its unique features. The male spider is incredibly small, measuring only 0.43mm, making it the smallest spider species currently known.

What spider has the worst venom?

The Australian funnel-web spiders, which include the Sydney funnel-web spider Atrax robustus, belong to families Hexathelidae, Atracidae, Macrothelidae, and Porrhothelidae. These spiders are considered some of the most poisonous in the world, and should not be confused with araneomorph funnel-weaver or grass spiders.

Are tarantulas poisonous?

Tarantula venom is not commonly harmful to humans, despite there being more than 900 species of this spider kept as pets. Most injuries related to tarantulas stem from their urticating hairs rather than their venom.

Can a tarantula hurt a person?

Being bitten by a tarantula can cause pain and redness similar to that of a bee sting. When this spider feels threatened, it will rub its hind legs against its body and release a large number of small hairs towards its perceived attacker.

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