The 12 Most Deadly Spiders on the Planet

Mouse Spider

Spiders are fascinating creatures that have been around for millions of years. While most spiders are harmless to humans, some species are venomous and can pose a serious threat. In this list, we’ll explore the 12 most deadly spiders on the planet.

1. Brazilian Wandering Spider

spiders
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The Brazilian Wandering Spider is considered the most venomous spider in the world. Its venom is extremely toxic and can cause severe pain, breathing problems, and even death. This spider is found in South America and is known for its aggressive behavior.

2. Sydney Funnel-Web Spider

Sydney Funnel-Web Spider
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The Sydney Funnel-Web Spider is native to Australia and is one of the most dangerous spiders in the world. Its venom is highly toxic and can cause serious symptoms such as muscle spasms, difficulty breathing, and even death. Fortunately, an antivenom is available for this spider’s bite.

3. Black Widow Spider

Black-Widow-Spider
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The Black Widow Spider is found in many parts of the world, including North America. The female spider is known for its distinctive black body with a red hourglass shape on its abdomen. While its venom is rarely fatal to humans, it can cause severe pain and other unpleasant symptoms.

4. Brown Recluse Spider

Brown-Recluse-Spider-
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The Brown Recluse Spider is found in the southern and central United States. Its venom can cause a condition called loxoscelism, which can lead to skin necrosis and other serious complications. This spider is known for its violin-shaped marking on its back.

5. Red-Back Spider

Red-Back Spider
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The Red-Back Spider is native to Australia and is a close relative of the Black Widow Spider. Its venom is highly toxic and can cause severe pain, sweating, and nausea. An antivenom is available for this spider’s bite.

6. Chilean Recluse Spider

Chilean Recluse Spider
Image Credit: Ssiltane – Own work – CC BY-SA 4.0 via Wiki Commons.

The Chilean Recluse Spider is found in South America and is known for its powerful venom. Its bite can cause skin necrosis and other serious complications. This spider is brown in color and has a violin-shaped marking on its back.

7. Yellow Sac Spider

Yellow Sac Spider
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The Yellow Sac Spider is found in many parts of the world, including North America. Its venom can cause localized pain and swelling, but is rarely fatal to humans. This spider is known for its yellow coloration and its habit of building silk sacs to hide in.

8. Six-Eyed Sand Spider

Six-Eyed Sand Spider
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The Six-Eyed Sand Spider is found in deserts in southern Africa. Its venom is highly toxic and can cause severe pain, paralysis, and even death. This spider is known for its six eyes arranged in a unique pattern.

9. Mouse Spider

Mouse Spider
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The Mouse Spider is native to Australia and is known for its powerful venom. Its bite can cause severe pain, nausea, and vomiting. This spider is black in color and has a stocky body.

10. Redback Jumping Spider

Redback Jumping Spider
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The Redback Jumping Spider is found in Australia and is known for its ability to jump long distances. Its venom is highly toxic and can cause severe pain and other serious symptoms. This spider is black in color with a red stripe on its back.

11. Hobo Spider

Hobo Spider
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The Hobo Spider is found in the Pacific Northwest region of the United States. Its bite can cause localized pain and swelling, but is rarely fatal to humans. This spider is brown in color and has a distinctive pattern on its abdomen.

12. Fringed Ornamental Tarantula

Fringed Ornamental Tarantula
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The Fringed Ornamental Tarantula is found in parts of South America and is known for its colorful appearance. While its venom is not usually fatal to humans, it can cause severe pain and other unpleasant symptoms. This spider is popular among collectors due to its striking colors and patterns.

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Becky is a fervent wildlife enthusiast and pet care expert with a diploma in canine nutrition. Her love for animals stretches beyond the domestic, embracing the wild tapestry of global fauna. With over a decade of experience in animal welfare, Becky lends her expertise to OutlandishOwl through insightful articles, captivating wildlife information, and invaluable guidance on pet nutrition. Her work embodies a deep commitment to understanding the intricate lives of animals and a passion for educating others on sustaining natural habitats. Becky's hands-on conservation efforts and her knack for translating complex dietary science into practical pet feeding tips make her an indispensable voice for creatures great and small.

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