Do Spiders Have Teeth? The Answer May Surprise You!

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Do spiders have teeth? Spiders use their fangs to clamp down on prey, and some use them to inject venom. Their fangs are curved, and they are hollow. But do they have teeth, and how do they eat? Continue reading to know more about spiders and their teeth. 

Do spiders have teeth? The answer may surprise you!

Wolf Spider front view

The short answer is no. Spiders do not have teeth in the traditional sense we think of. They do not have molars or incisors for grinding and cutting food. However, they can still crush prey down to get food. Their fangs are called chelicerae.

Spiders have two different types of fangs: the piercing type and the clamping type. The piercing type is more like a hypodermic needle and injects venom into the prey.

The clamping type is more powerful for its size and performs the same action as the piercing type: clamping onto prey.

Interestingly, spiders use venom to inject their prey and hold them in place long enough for the venom to take effect. Their fangs are curved to grip their prey better.

Additionally, spiders have evolved and continue to do so. It has led to different variations among spiders, including those with fanged jaws- another form and term for spider’s teeth!

Spiders with fangs as their teeth are the following species:

How Many Teeth Do Spiders Have?

Spiders do not have teeth. They have two fangs that they use to inject venom into their prey. This venom liquefies the prey’s insides, which the spider sucks out.

What are spider teeth called?

Spiders have two fangs that look like teeth. They can come in two different forms: sharp or dull. 

Venom is injected and preyed with these fangs. Fangs are called chelicere.

Do all spiders have fangs?

Do all spiders have fangs?

The answer is not quite! While most spiders do possess venom-injecting fangs, there are a few species that don’t. These non-fanged spiders typically use other methods to kill their prey.

Such as wrapping them in silk and leaving them to die or crushing them with their jaws. However, the vast majority of spiders do have venomous fangs that can inflict a painful bite.

Interestingly, spider fangs evolved from the same genes that gave rise to teeth in other animals. The venom glands sit at the tips of the fangs and inject venom into prey when they bite. Interestingly, spiders’ fangs are made from protein, while teeth contain collagen.

Do spiders eat food?

Spiders eat anything that gets caught on the sticky strands of their webs. It includes insects, other spiders, and other small creatures. Some spiders may also eat tiny seeds and fungal spores.

Do spiders have a mouth?

Spiders do have a mouth, and it is shaped like a short drinking straw. They use this straw to suck up the liquefied insides of their prey. After they eat, they digest the prey and then recycle the proteins in their webs by eating them.

Do all spiders have eight eyes and legs?

Do all spiders have eight eyes and legs?

Most spiders have eight eyes, although there are some variations. Some spiders have no eyes, and others have more than 12 eyes.

The number of eyes a spider has does not necessarily reflect its level of vision. Spider vision is mainly between light and dark, as they cannot see colors very well. 

What does a spider eat?

Spiders eat different types of food depending on their species. Some spiders are predators and hunt down other animals. At the same time, others consume mostly insects that they catch in their webs.

Web-building spiders usually consume flying insects, although some will also eat small lizards, frogs, or birds.

Why do spiders wrap their prey in webs?

Spiders create webs to trap their prey. They use their fangs and venom to kill and paralyze the prey. There are other reasons spiders create webs, such as to make a trap, stay in place, or communicate.

How many hearts do spiders have?

Spiders are unique creatures in that they have an open circulatory system, meaning their blood doesn’t flow through veins and arteries like humans.

They also have a one-way valve on each end of their body, allowing them to pump blood to their head. It allows them to survive even after losing significant amounts of blood.

Are spiders territorial?

Spiders are not a monolithic group, and there is a lot of variation between species. Some spiders show varying sociality levels, forming aggregations called colonies. These colonies can be long-lasting and can form in several families.

Do spiders eat flies?

It is a common question that many people have. The answer, however, may surprise you. Spiders are predators and help to keep other pesky insects at bay. They consume mosquitoes, flies, moths, and sometimes even other spiders.

While they may not be the most beloved creatures on the planet, they certainly play an important role in preventing pests from becoming a nuisance.

Are all spiders carnivores?

There are two types of spiders: web spiders and ground spiders. Web spiders build webs to capture prey, while ground spiders hunt their prey directly. Not all spiders are carnivores- some eat insects or other small invertebrates.

What do spiders eat and drink?

Spiders are predators and eat a variety of prey. Some spiders feed on leaves by digesting them with enzymes, piercing them with chelicerae, and sucking the sap.

Others spin webs to trap their prey. Bagheera kiplingi, a vegetarian spider, drinks nectar from nectaries found on plants or in their flowers.

How much web does a spider have?

Spiders produce webs by spinning sticky silk from their spinnerets. They use the webs to catch prey and as a form of protection. A spider can produce about 100 to 200 webs throughout its lifetime. 

There is some variation from the web to the web because spiders are individual. 

What family do spiders belong to?

Spiders are members of the arachnid family. They are predators that live in soils and feed on insects such as beetles. Arachnids play an important role in their environment’s ecology by controlling prey species populations.

How do spiders make silk?

How do spiders make silk?

Spider silk is a remarkable material. It is made from proteins, which are turned into a watery gel and coatings. The protein mixture becomes liquid only when stretched. It allows the spider to control the thickness and strength of the silk fiber it produces.

A motor-like valve in each fixture pulls out the protein mixture. It creates a steady flow of fibers produced in a battery of silk glands.

Do all spiders build webs?

Spiders produce many webs, but orb webs are the most common. They are more fragile and last for a shorter time than other types of web. The spoke web is made of silk and is less common than orb webs.

Interestingly, many people don’t realize that spiders can’t build webs without first spinning a sticky spiral spire. The gluey coating on the spire is rendered ineffective by pollen and dust, so insects can’t trap. To build a web, spiders must produce about 20 meters of silk!


Spiders do not have teeth in the traditional sense. Instead, they use venom to digest their prey. The venom is produced by fangs and helps to melt the prey together in the stomach. The digestion cycle starts with the help of fangs, which are their mouth’s teeth.

Tarantulas and Wolf Spiders have projections within their fangs that help them pierce through their prey’s skin. 

About the author

A biotechnologist by profession and a passionate pest researcher. I have been one of those people who used to run away from cockroaches and rats due to their pesky features, but then we all get that turn in life when we have to face something.