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Theraphosa

Imagine a group of spiders called Theraphosa, part of the big tarantula family. By May 2018, scientists knew of three different kinds in this group. These spiders are truly fascinating. Stick around, and we’ll tell you some cool facts about them!

Scientific Classification

Theraphosa Spider

Species Belonging To This Genus

Physical Description & Identification 

Adults

  • Size: They are big with a body length of about 7.5 cm on average, with the Theraphosa blondi (Goliath bird eater) being 11.9cm (4.7 inches) long, having a leg span of  30 cm (12 inches). The Theraphosa apophysis (pink foot Goliath), on the other hand, has a length of 8.7 cm (3.4 inches) and a leg span of 9.6 cm (3.8 inches).
  • Color: Most of them are brown, with the patterns differing from one species to the other. For instance, the Goliath possesses faint markings on its feet, while the pink foot Goliath has pink feet.
  • Other Characteristic Features: These spiders have barbed hairs on their abdomen, which they can release when irritated or threatened. These hairs can cause irritation and discomfort to potential predators

Eggs

They are small, of the size of a tennis ball.

Spiderlings

They stay with their mother for some time and disperse to be on their own after maturation.

The Web

Since they are part of the tarantula family, spiders of this genus may not catch prey using their webs, though they may spin silk.

Are Theraphosa Tarantulas Venomous?

Yes, Theraphosa Tarantulas have venom. They use it to snatch up bugs they want to eat.

Can Theraphosa Tarantulas Bite?

They can indeed! If they feel cornered or bothered, they might take a bite. Their bite is not much than a wasp’s sting resulting in itching and irritation.

Ecological Importance and Behavior of Theraphosa Tarantula

Theraphosa tarantulas play a critical role in their ecosystems. They act as both predators and prey, helping to maintain a balance. These spiders are known for their ambush hunting tactics, lying in wait for unsuspecting prey to come within reach.

Natural Predators: They are not without threats, as they fall prey to larger animals, including mammals and birds, which might dig out their burrows to feed on them.

Prey-Predator Dynamics: Their diet is quite varied and includes a range of animals such as toads, lizards, earthworms, snakes, and frogs. This diverse palate allows them to take on the role of apex micro-predators within their habitat.

Relationship with Humans: Human interaction with Theraphosa tarantulas is rare and usually occurs only within their natural habitats. While their bite is not deadly to humans, it’s crucial to handle them with care to avoid unnecessary harm to either party.

Theraphosa Apophysis Spider

Quick Facts

Lifespan Males: 3 to 6 years
Females: 15 to 25 years
Distribution Venezuela, Guyana, and Brazil
HabitatMarshy and swampy regions
Diet Toads, lizards, earthworms, snakes, and frogs

Did You Know

  • All three species belonging to this genus stridulate through the process of rubbing setae (hair-like structures) on their legs and pedipalps.

In conclusion, Theraphosa tarantulas are ecological balancers, fascinating predators, and stridulating giants of the spider world, deserving respect and conservation.

Imagine a group of spiders called Theraphosa, part of the big tarantula family. By May 2018, scientists knew of three different kinds in this group. These spiders are truly fascinating. Stick around, and we’ll tell you some cool facts about them!

Theraphosa Spider

Species Belonging To This Genus

Physical Description & Identification 

Adults

  • Size: They are big with a body length of about 7.5 cm on average, with the Theraphosa blondi (Goliath bird eater) being 11.9cm (4.7 inches) long, having a leg span of  30 cm (12 inches). The Theraphosa apophysis (pink foot Goliath), on the other hand, has a length of 8.7 cm (3.4 inches) and a leg span of 9.6 cm (3.8 inches).
  • Color: Most of them are brown, with the patterns differing from one species to the other. For instance, the Goliath possesses faint markings on its feet, while the pink foot Goliath has pink feet.
  • Other Characteristic Features: These spiders have barbed hairs on their abdomen, which they can release when irritated or threatened. These hairs can cause irritation and discomfort to potential predators

Eggs

They are small, of the size of a tennis ball.

Spiderlings

They stay with their mother for some time and disperse to be on their own after maturation.

The Web

Since they are part of the tarantula family, spiders of this genus may not catch prey using their webs, though they may spin silk.

Are Theraphosa Tarantulas Venomous?

Yes, Theraphosa Tarantulas have venom. They use it to snatch up bugs they want to eat.

Can Theraphosa Tarantulas Bite?

They can indeed! If they feel cornered or bothered, they might take a bite. Their bite is not much than a wasp’s sting resulting in itching and irritation.

Ecological Importance and Behavior of Theraphosa Tarantula

Theraphosa tarantulas play a critical role in their ecosystems. They act as both predators and prey, helping to maintain a balance. These spiders are known for their ambush hunting tactics, lying in wait for unsuspecting prey to come within reach.

Natural Predators: They are not without threats, as they fall prey to larger animals, including mammals and birds, which might dig out their burrows to feed on them.

Prey-Predator Dynamics: Their diet is quite varied and includes a range of animals such as toads, lizards, earthworms, snakes, and frogs. This diverse palate allows them to take on the role of apex micro-predators within their habitat.

Relationship with Humans: Human interaction with Theraphosa tarantulas is rare and usually occurs only within their natural habitats. While their bite is not deadly to humans, it’s crucial to handle them with care to avoid unnecessary harm to either party.

Theraphosa Apophysis Spider

Quick Facts

Lifespan Males: 3 to 6 years
Females: 15 to 25 years
Distribution Venezuela, Guyana, and Brazil
HabitatMarshy and swampy regions
Diet Toads, lizards, earthworms, snakes, and frogs

Did You Know

  • All three species belonging to this genus stridulate through the process of rubbing setae (hair-like structures) on their legs and pedipalps.

In conclusion, Theraphosa tarantulas are ecological balancers, fascinating predators, and stridulating giants of the spider world, deserving respect and conservation.