What are the ten most terrifying venomous spiders in the world?
Many people are afraid of spiders, an animal that not only looks terrifying but is also venomous, and the potency of the venom varies with species, sex, individual size, maturity and season. So, which are the ten most terrifying venomous spiders in the world? Here we introduce them for you.
1. Black Widow
The black widow was originally called the red-backed black widow spider, and its name comes from the fact that the female eats the male after mating. It is widely distributed in southern Russia, southeastern Europe, Central Asia, the Americas, China's Hainan Island and Xinjiang, and other places, and it is the most venomous of all known spider species; it has a strong neurotoxin that directly affects the central nervous system and muscle tissue. After being poisoned, severe pain is felt immediately; mild cases can leave hospital after a day or two of treatment, while severe cases take a month or even face a risk to life.
2. Sydney Funnel-web Spider
The Sydney funnel-web spider is native to the east coast of Australia and is now found within 100km of Sydney. It is the most aggressive spider in the world, and its venom is the most toxic of all spider species in the world, containing neurotoxins and enzymes that can dissolve muscle tissue. A bitten person will suffer convulsions, rising blood pressure, difficulty breathing and confusion, and without first aid it can kill an adult within 15 minutes.
3. Brazilian Wandering Spider
The Brazilian wandering spider, also called the banana spider, is distributed in South America in Brazil and other places. In 2007 it was awarded the title of “most venomous spider” by Guinness World Records. Its venom is very strong and highly lethal, second only to that of the Sydney funnel-web spider. It can release a powerful neurotoxin that causes loss of nerve control, difficulty breathing and severe pain. Once bitten, immediate hospitalisation is required, and if timely treatment is not received, it can lead to death.
4. Redback Spider
The redback spider, also called the redback widow spider, Indian redback spider, redback spider or red-backed spider, is a distant relative of the "black widow" and habitually lives outdoors in storage rooms, gardens or under eaves; its venom is very strong, and after a bite mild cases involve swollen lymph nodes, headache, nausea and trembling, while severe cases involve convulsions, coma and respiratory failure.
5. Six-eyed Sand Spider
The six-eyed sand spider is found in Africa and South Asia and lives in the deserts of South Africa. It is one of the most venomous spiders in the world, and its venom is powerful in haemolysis. After a bite, pain appears near the wound, followed by tissue necrosis causing functional impairment. Once the venom enters the blood circulatory system, it causes blood vessels to rupture and then organ failure. There is no antivenom that can cure it, and the consequence of being bitten will be amputation or death.
6. Mouse Spider
The mouse spider is mainly distributed within Australia. Legend says it digs very deep burrows like a mouse, and it generally lives in underground nests. It is not very aggressive towards humans, and it may even attack without using venom. The venom they secrete is lethal to small animals, and some can also endanger human life. If bitten, timely treatment is necessary to avoid danger to life.
7. Chinese Bird Spider
The Chinese bird spider is found in Southeast Asia. It is a huge tarantula, an aggressive creature that can kill small mammals with a very small dose. Their venom is relatively weak, but it is more than enough to deal with insects and small vertebrates; a dose of only 0.70mg can cause a 50% mortality rate in laboratory mice.
8. Brown Recluse and Chilean Recluse
The brown recluse, also called the brown recluse spider or violin spider, is very common in the western and southern United States, and its natural habitat is caves and rodent burrows. It is very venomous, and its venom destroys the blood vessel walls near the bite, sometimes causing large areas of skin ulceration and occasionally death, with the wound taking months to heal. Its sister species, the Chilean recluse, is even more venomous, and some systemic infections can even lead to kidney failure.
9. Indian Ornamental Tarantula
The Indian ornamental tarantula is distributed in Sri Lanka and the tropical rainforest regions of southern India. It is one of the most beautiful and interesting species in the tarantula family, is quite aggressive and often bites without warning. Its venom is relatively strong, and after a bite there is severe pain lasting several days as well as twitching of the bitten arm.
10. Yellow Sac Spider
The yellow sac spider is also very venomous, and one of the dangers of its bite is that it is closely linked to methicillin-resistant Staphylococcus aureus (MRSA) infection, which is very serious. Fortunately, they rarely approach and bite humans.
The above is an introduction to the ten most terrifying venomous spiders in the world. We hope it is useful to you.