Content
- 1. Funnel web spider (Atrax robustus)
- 2. Banana Spider (Phoneutria nigriventer)
- 3. Black widow (Latrodectus mactans)
- 4. Goliath Tarantula (Theraphosa blondi)
- 5. Wolf Spider (Lycosa erythrognatha)
- 6. 6-eyed sand spider (Sicarius terrosus)
- 7. Red-backed Spider (Latrodectus hasselti)
- 8. Wandering Spider (Eratigena agrestis)
- 9. Violinist Spider (Loxosceles recluse)
- 10. Yellow bag spider (Cheiracanthium punctorium)
- 11. Giant hunting spider (Heteropoda maxima)
- other poisonous animals
Spiders are insects that generate fascination and terror at the same time. For many people the way they spin their webs or their elegant walk is intriguing, while others find them terrifying. Many species are harmless, but others, on the other hand, stand out for their toxicity.
there are several types of poisonous spiders, are you able to recognize any? The PeritoAnimal compiled the most poisonous species that exist worldwide. Check out a list with the main characteristics, curiosities and pictures of poisonous spiders. Come on!
1. Funnel web spider (Atrax robustus)
Currently, the funnel-web spider or Sydney spider is considered the most venomous spider in the world. It lives in Australia and, as we said, it is a poisonous and very dangerous species, as its toxicity level is lethal for an adult person. In addition, it has synanthropic habits, which means that live in human houses, being also a type of homemade spider.
The symptoms of your bite start with itching in the affected area, tingling around your mouth, nausea, vomiting, and fever. Subsequently, the victim suffers disorientation, muscle contractions and cerebral edema. Death can occur in 15 minutes or in three days, depending on the person's age and size.
2. Banana Spider (Phoneutria nigriventer)
Although the funnel-web spider is the most dangerous to humans because it can cause death within minutes, many experts believe that the most venomous spider in the world is the banana spider or, simply, armadeira spider. In both cases, we are facing lethal spiders that yes or yes must be avoided.
The body of this spider is dark brown and has red fur. The species is distributed throughout South America, mainly in Brazil, Colombia, Peru and Paraguay. This spider captures its prey through its webs. It feeds on small insects, like mosquitoes, locusts and flies.
Its venom is deadly to its prey, however, in humans it causes an intense burning sensation, nausea, blurred vision and decreased blood pressure. Furthermore, in men it can cause an erection for several hours. The most serious cases are those produced in children and that is why we must be very careful with this one, which is among the types of poisonous spiders.
3. Black widow (Latrodectus mactans)
The black widow is one of the best known species. Measures on average 50 millimeters, although males are smaller than females. It feeds on insects such as wood bugs and other arachnids.
Contrary to what many people think, the black widow is a shy, solitary and not very aggressive animal. It only attacks when provoked. You symptoms of your bite are intense muscle and abdominal pain, hypertension and priapism (a painful erection in men). The bite is rarely lethal, however, it can cause death in people who are not in good physical condition.
4. Goliath Tarantula (Theraphosa blondi)
The Goliath tarantula measures up to 30 cm in length and can weigh 150 grams. IT'S the biggest tarantula in the world and its life expectancy is around 25 years. It mainly inhabits tropical forests and areas of high humidity.
This tarantula is also solitary, so it only looks for company to breed. It feeds on worms, beetles, grasshoppers and other insects. She is one of the venomous spiders to be feared, but know that your poison is lethal for its prey, but not for humans, as it only causes nausea, fever and headache.
5. Wolf Spider (Lycosa erythrognatha)
Another type of poisonous spider is the Lycosa erythrognatha or wolf spider. It is found in the South America, where it inhabits steppes and mountain ranges, although it can also be observed in cities, especially in gardens and land with abundant vegetation. Females of this species are larger than males. Its color is light brown with two dark bands. A distinguishing feature of the wolf spider is its sharp, efficient vision during day and night.
this species only injects its poison if provoked. The most common symptoms are swelling in the affected area, itching, nausea and pain. The sting is not deadly to humans.
6. 6-eyed sand spider (Sicarius terrosus)
The 6-eyed sand spider, also known as the sicario spider, is a species that inhabits the African continent. Lives in deserts or sandy areas, where they are hard to find, as they blend in very well with the environment.
This species of venomous spider measures 50 millimeters with outstretched legs. It is very solitary and only attacks when provoked or when hunting for its food. For the poison of this species there is no antidote, its effect causes tissue destruction and circulatory problems. Depending on the amount of poison you inject, it can have serious effects.
7. Red-backed Spider (Latrodectus hasselti)
The red-backed spider is a species that is often confused with the black widow due to its great physical similarity. Its body is black and is distinguished by a red spot on its back.
Among the types of venomous spiders, this is native of australia, where they live in dry and temperate areas. Its sting is not deadly, but it can cause pain around the affected area as well as nausea, diarrhea, tremors and fever. If you do not receive medical care, the symptoms increase in intensity.
8. Wandering Spider (Eratigena agrestis)
The walking spider, or field tegenaria, is found in Europe and the United States. It has long, furry legs. The species presents sexual dimorphism in its size, but not in its color: females measure 18 mm in length and males only 6 mm. The skin of both has brown tones, whether dark or light.
this species not deadly to humansHowever, its sting causes headaches and destroys tissue in the affected area.
9. Violinist Spider (Loxosceles recluse)
Another type of venomous spider is the violinist spider, a species with a brown body that measures 2 cm. Stands out for its 300 degree view and a violin-shaped mark on the chest. Like most spiders, they only bite when provoked or threatened.
Violin spider's venom is deadly, depending on the amount that is injected. Common symptoms are fever, nausea and vomiting. In addition, it can cause blisters in the affected area, which burst and cause gangrene.
10. Yellow bag spider (Cheiracanthium punctorium)
The yellow bag spider is another type of venomous spider. Its name is due to the fact that it uses silk bags to protect itself. Its body color is pale yellow, although some specimens also have green and brown bodies.
this species hunting at night, at which time it ingests small insects and even other species of spiders. Its bite is not deadly, however, it causes itching, burns and fever.
11. Giant hunting spider (Heteropoda maxima)
The giant hunting spider is considered the species with the longest legs in the world, as they can reach 30 cm in extended length. Furthermore, it is native to the Asian continent.
This spider stands out for being very slippery and fast, it is able to walk on almost any surface. Your poison is lethal to humans, its effects include severe muscle pain, vomiting, diarrhea and chills and that is why it is considered one of the poisonous spiders that we should pay attention to.
other poisonous animals
Now that you know the types of venomous spiders, you can also read, in another article by PeritoAnimal, about the most venomous spiders in Brazil.
Also check out this video where we show the most poisonous animals in the world:
If you want to read more articles similar to Types of Poisonous Spiders - Photos and Trivia, we recommend that you enter our Curiosities section of the animal world.