Spiders in Brazil

Brazil is the fifth largest country in the world and, in fact, the largest country in South America never runs out of something good to offer when it comes to nature, flora, and fauna. While it is known as a football destination, you also need to be aware of its notorious Amazon rainforest. If you are afraid of creepy crawlers such as spiders, you need to be aware that Brazil is home to a variety of spiders. The good news is that most of these spiders are not dangerous to humans. Although it also has its fair share of venomous spiders. Most of its spiders aim to target its prey. To enjoy your vacation on this beautiful tropical island, make sure you equip yourself with knowledge about the common spiders you might encounter.

Spiders in Brazil

Spiders in Brazil Identification Chart

Common Spiders in Brazil

Silver Garden Orbweaver (Argiope argentata) Gray Wall Jumping Spider (Menemerus bivittatus) Adanson’s House Jumper (Hasarius adansoni)
Red House Spider (Nesticodes rufipes) Banded Garden Spider (Argiope trifasciata) Amazon Thorn Spider (Micrathena schreibersi)
Translucent Green Jumping Spiders (Genus: Lyssomanes) Mabel Orchard Orbweaver (Leucauge argyrobapta) Striped Lynx Spider (Oxyopes salticus)
Spiny backed Orb Weaver Spider (Gasteracantha) Common House Spider (Parasteatoda tepidariorum) Southern House Spider (Kukulcania hibernalis)
Tropical Tent-web Spider (Cyrtophora citricola) Triangulate Combfoot (Steatoda triangulosa)

Biggest Spiders in Brazil

Wolf Spider Goliath Birdeater (Theraphosa blondi) Pantropical Huntsman Spider (Heteropoda venatoria)

Most Venomous Spiders

Wandering Spiders

Banana Spider Brazilian Wandering (Phoneutria) - The Brazilian Wandering spider is a type of spider from the Phoneutria group. Even though they're called "Brazilian," not all of them come from Brazil.… Continue Reading >

Sicariidae

Brown Recluse Image Brown Recluse Spider (Loxosceles reclusa) - The brown recluse spider is a special spider found mostly in the central and southern parts of the U.S. It's part of a small group of spiders in North America known for having strong venom, along with the Chilean recluse and black widow.… Continue Reading >

Brown Spider Chilean Recluse (Loxosceles laeta) - Imagine a spider called the Chilean recluse. It's known to be the most dangerous of its kind because of its strong venom. While its name hints at its home in Chile, you can also find it in places like Ecuador, Argentina, and Brazil.… Continue Reading >

Cobweb Spiders/Tangle Web Spiders (Theridiidae)

Female Brown Widow Spider Brown Widow (Latrodectus geometricus) - The Brown Widow Spider is a cool spider that belongs to the cobweb spiders family. Some people know more about its cousin, the Black Widow, but the Brown Widow has its own interesting story.… Continue Reading >

False Black Widow Spider False Black Widow (Steatoda grossa) - The False Black Widow spider is part of the Steatoda genus and is frequently confused with the more dangerous Black Widow Spider. Known by various names, including 'cupboard spider' and 'brown house spider' in Australia, this species sometimes earns the label of a pest in certain areas.… Continue Reading >

  • South American Black Widow – Latrodectus curacaviensis

Sac Spiders

Yellow Sac Spider Size Black-Footed Yellow Sac (Cheiracanthium inclusum) - Meet the yellow sac spider! It's a spider that originally came from the Americas. Over time, it's been a part of different spider families, and now it's in the Eutichuridae family.… Continue Reading >

Cellar Spiders

Long Bodied Cellar Spider Long Bodied Cellar (Pholcus phalangioides) - The long-bodied cellar spiders are quite interesting! Often seen in America's dark and damp spots, they have really long legs.… Continue Reading >

Less Venomous Spiders

Orb Weavers

Golden Silk Orb-Weaver Spider Golden Silk Orb-Weaver (Nephila) - Have you ever seen a spider's web that shines like gold? Meet the Golden Silk Orb-Weaver! With 23 different types living around the world, they're known for their special golden webs.… Continue Reading >

Tarantulas

Pink Toe Tarantula Size Pink Toe Tarantula (Avicularia avicularia) - The Pink-toed tarantula has many names like Guyana pinktoe and South American pinktoe. It's a special spider from South America that loves daylight and climbing high.… Continue Reading >

Jumping Spiders

  • Pantropical Jumping Spider (Plexippus paykulli)

Frequently Asked Questions

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The biggest spider found in Brazil is the Goliath Birdeater (Theraphosa blondi). Considered the world’s largest spider by mass, its leg span can reach up to 12 inches (30 cm). This tarantula primarily inhabits the Amazon rainforest, where it lives in deep burrows and hunts at night.

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Most spiders in Brazil are not dangerous to humans and their venom is not medically significant. However, the country is home to some highly venomous species, such as the Brazilian Wandering Spider (Phoneutria) and spiders from the Sicariidae family, whose bites require immediate medical attention.

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The most venomous spiders in Brazil are those from the genus Phoneutria, commonly known as Brazilian Wandering Spiders. Their neurotoxic venom can be potent and medically significant, causing severe pain and other systemic effects. These spiders are notoriously aggressive when they feel threatened and should be avoided.

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Yes, several spider species are commonly found inside homes in Brazil. Species such as the Red House Spider (Nesticodes rufipes), Common House Spider (Parasteatoda tepidariorum), and Southern House Spider (Kukulcania hibernalis) frequently inhabit human dwellings, where they are generally harmless and help control insect populations.

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Brazilian Wandering Spiders are typically found in tropical forest environments, particularly the Amazon. They are nocturnal hunters that do not build webs, instead wandering the forest floor for prey. They may also seek shelter during the day in places like log piles, banana plants, and occasionally homes.

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A Goliath Birdeater tarantula can be identified by its massive size, heavy body, and dark to golden-brown coloration. These terrestrial spiders have a leg span that can reach 12 inches. They are found in the Amazon rainforest and are known for the hissing sound they make by rubbing their bristles.

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Jumping spiders in Brazil are venomous to their insect prey, but their venom is not considered medically significant to humans. Species like the Gray Wall Jumping Spider are common but pose no threat. A bite is rare and would likely only cause minor, localized irritation similar to a mosquito bite.