It is a type of spider with strong toxicity, belonging to the widow spider family. Known for its vibrant black body color and red belly spots, these spots are sometimes mistaken for the origin of the name 'Black Widow', but in reality, their names are more related to the behavior of females sometimes eating male partners after mating. Venom contains neurotoxins that can cause severe pain and a range of symptoms in humans, including muscle spasms, nausea, vomiting, and sweating. Mainly distributed in temperate regions around the world, commonly found in North America, Europe, and Asia. Usually active at night, it hides under rocks, in tree bark, or in cracks in buildings during the day.

It is a large indoor spider with a body length of about 20-30 millimeters and a total length of up to 100-130 millimeters. They usually hide in the gaps of roofs or cabinets during the day and come out to forage at night, mainly preying on insects such as cockroaches, flies, and moths. The white fronted spider is a nocturnal animal that prefers slightly darker environments. Non toxic, harmless to humans, and can even help control the number of cockroaches in the home. The egg is disc-shaped, and female spiders exhibit egg guarding behavior. In addition, they exhibit a unique ejection phenomenon during mating, with male spiders autonomously ejecting to avoid being killed by female spiders.

It is a type of arthropod with eight legs, belonging to the arachnids class, known for its unique web weaving ability and hunting methods. Spiders are found all over the world, with over 48000 known species. Usually, webs are made from the silk secreted by their silk glands, which are not only used to capture prey but also serve as habitats and breeding grounds for them. Spiders usually have poor eyesight, but they have a keen sense of touch and vibration, which allows them to capture the tiny movements of their prey. Most spiders are carnivorous and prey on insects and other small animals. Although some spiders are toxic to humans, most venoms are not dangerous to humans

The scientific name Loxoscelesreckusa belongs to the order Spider and the family Parasitic Spider. Native to the central United States, especially Oklahoma, Arkansas, and Missouri. Named for its unique color and concealed lifestyle, it typically lives in dark places such as wardrobes, attic, and basements. The body size is relatively small, with adult individuals measuring approximately 6 to 20 millimeters in length. The color ranges from light brown to dark brown, and there are often dark spots on the body. The prominent feature is that its head has six eyes, while most spiders only have eight. Usually, they do not actively attack humans and tend to avoid them.

Also known as brown wolf spider or violin spider, it is a spider distributed in Europe, North Africa, and West Asia. Small in size, usually around 1 centimeter in length, with a flat body and colors ranging from light brown to dark brown, characterized by a violin shaped stripe on the back. The venom of Taranto spider contains an enzyme called sphingomyelinaseD, which can damage red blood cells and cause skin necrosis. Although their venom is usually not lethal to humans, bites can cause severe skin reactions and long-term pain. Usually active at night and hidden during the day.

The scientific name Pholcidae is a type of spider with a slender body and particularly long legs. Usually living in houses, gardens, and other human inhabited environments. Their body length is approximately between 3 and 10 millimeters, and their legs can be several times longer than their body, making them one of the longest legged members in the spider kingdom. Known for agility and quick movement, able to quickly move on walls, ceilings, or tree branches to capture prey. Mainly feeding on small insects, using their slender legs to perceive the surrounding environment and prey. My vision is also very good, and I can spot prey from a distance. It is a beneficial organism.