27 Octopus Facts for Kids to Blow Their Minds

Octopus Facts for Kids

Get ready to dive into the world of octopuses and discover some of the most incredible facts about these mysterious and intelligent creatures. From their eight arms to their ability to change color, octopuses are like nothing else in the ocean. Join us as we explore fascinating octopus facts that will leave you amazed and wanting to learn more about these incredible creatures of the sea.


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1. There are over 300 species of octopus.

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Yes, there are over 300 known species of octopus. They are found in all the world’s oceans, from the shallowest coral reefs to the deepest trenches. Octopuses are highly adaptable and can be found in a wide range of habitats.

They also vary greatly in size and appearance, with some species measuring only a few centimeters long, while others can grow up to 30 feet long. Each species has its own unique characteristics and behaviors that make them interesting to study.


2. Octopuses are found in all the world’s oceans.

Did you know that octopus can be found all over the world’s oceans? That means that no matter where you go in the ocean, you might be able to find an octopus!

They live in the deep sea and in shallow waters, in warm and cold water, and in all different types of habitats. They are very good at hiding and blending in with their surroundings, so they can be hard to spot. But if you look closely, you might be able to find one!


3. Octopuses can change color to blend in with their surroundings.

Yes, octopuses have the ability to change color to blend in with their surroundings, this is known as Camouflage or Cryptic Coloration. Octopuses have specialized cells called chromatophores that contain pigments that can expand or contract, changing the color and pattern of the octopus’s skin.

They can change color quickly, in less than a second, and can produce a wide range of hues and patterns to match their background. This allows them to camouflage themselves and hide from predators, as well as to communicate with other octopuses. This is one of the many ways they are able to survive in the wild.


4. Octopuses have three hearts.

Octopuses are very special creatures, and one of the things that makes them unique is that they have not one or two, but three hearts! Can you imagine having three hearts instead of just one?

One of their hearts is in charge of pumping blood to the octopus’s organs, while the other two are dedicated to pumping blood to the gills, which help the octopus breathe.

Having three hearts helps the octopus survive in the deep sea where the pressure is high and the oxygen is low. It also allows them to swim faster and for longer periods of time. Isn’t that amazing?


5. Octopuses can squirt ink to escape predators.

Octopuses are very clever creatures and they have a special trick to protect themselves from danger. They can squirt out a dark, cloudy liquid called ink!

When an octopus feels threatened, it will squirt ink out of a special organ called the ink sac. The ink creates a cloud in the water that can make it hard for the predator to see the octopus.

This gives the octopus a chance to swim away and escape. The ink also has a bad smell and taste, which can also discourage the predator from pursuing the octopus. Isn’t that a cool survival tactic?


6. Octopuses are able to regenerate lost arms.

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Octopuses are very special creatures, and one of the things that makes them unique is that they can grow back any arms that they might lose! Imagine if you could grow back a finger or an arm if you ever lost it, that would be pretty cool, right?

Well, that’s exactly what octopuses can do. They can grow back any arm that they might lose, whether it’s from a fight with another animal or simply by accident.

The new arm will be just as strong and flexible as the one it lost, and it will even have all the same suckers and nerves.
It may take some time, but the octopus will be able to use its new arm just as well as the old one.


7. Octopuses are intelligent and can solve puzzles.

Did you know that Octopuses are very smart creatures? They have big brains and are able to do things that other sea creatures can’t. Scientists have even tested octopuses and found that they can open jars, figure out mazes, and even use tools, like coconut shells, to get food.

They’re very clever and can learn new things quickly, which is pretty amazing if you think about it. They learn to use tools, escape from enclosures, and even show different personalities. They are also able to learn from their experience and can adapt to a new environment.


8. Octopuses are able to recognize individual human faces.

As we discussed above, Octopuses are very intelligent creatures and they can do some pretty amazing things. But did you know that they can actually recognize individual human faces? That’s right, scientists have discovered that octopuses can tell one person’s face from another, just like we can!

They can remember the face of a person and recognize them later on, even if they haven’t seen them for a while. This is pretty incredible when you think about it because octopuses have a very different kind of brain compared to ours. It just goes to show that animals can be a lot smarter than we think!


9. The octopus breathes through its gills.

Just like how we breathe through the lungs, octopuses breathe through gills. These gills are located in their heads and they use them to extract oxygen from the water they live in. Gills are similar to lungs in that they help to bring oxygen into the body and take away carbon dioxide.

Since octopuses are aquatic animals and they require water to survive because they breathe through their gills which extract oxygen from the water. They are not able to survive for more than 20 minutes outside of water.


10. Octopuses have suction cups on their arms.

Octopuses have really cool arms! They’re not just for moving around, but also for catching food and hanging on to things. Have you ever seen suction cups before? well, octopuses have something similar, they have suction cups on their arms called ‘suckers’.

These suckers are like little cups that can stick to things and help the octopus hold on to or catch its food. They’re really strong and can create a powerful suction to attach to different surfaces. Isn’t that neat? Imagine if you had suction cups on your hands, it would be so much fun to stick to walls and ceilings!


11. Octopuses can swim by expelling water through their siphon.

Octopuses are amazing sea creatures that can move through the water in a very unique way. Instead of using fins or other body parts to swim, they use their siphon to swim and steer through the water.

They pull water into their mantle cavity and forcefully expel the water through the siphon. This creates a jet propulsion that propels the octopus forward and allows them to swim quickly.

The octopus can control the direction and speed of the jet stream by changing the shape and position of the siphon, which allows them to swim and steer effectively.


12. Octopuses can open jars and other containers with their arms.

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Octopuses are very clever creatures. They can do things with their arms that you would never expect. For example, they can open jars and other containers with their arms. Imagine you have a jar with a tight lid and you can’t open it, but an octopus can use its arms to open it easily!

They have special suction cups on their arms that can stick to things and help them hold on tight. They can use these suction cups to twist and turn the lid until the jar opens. They are truly clever creatures, don’t you think so?


13. Octopuses can use tools, such as coconut shells.

Watch: Octopus Carries Coconut—But Is It Using a Tool?

Octopuses are very smart creatures, and they can do some pretty amazing things, like using tools! Just like how you might use a hammer to bang in a nail, octopuses can use tools like coconut shells to do things that they can’t do with their own body.

Scientists have observed octopuses using coconut shells or rocks to build shelters or hiding places. They also have been observed using tools such as a stick to measure the depth of a crevice or using a jar lid to block the entrance to their den.

They are able to understand the properties of the objects and how to use them to their advantage, which is a sign of high intelligence. It’s pretty amazing to think that an animal can figure out how to use tools just like we humans do!


14. Octopuses can taste the food by touching it with their arms.

Octopuses have a unique way of tasting their food! They don’t have a tongue as we do, but they have special cells on their arms that can taste the food by touching it.

Their arms are covered with sensitive cells that can detect different flavors and textures, so they can tell whether the food is good or bad. So, when an octopus touches something with its arm, it can tell what it tastes like without even putting it in its mouth.


15. Octopuses can change their texture to become bumpy or smooth.

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Octopuses are like chameleons of the sea! They can change their color to match their surroundings, but did you know that they can also change the texture of their skin, making them blend in even better with their surroundings?

This is a defense mechanism to protect themselves from predators and to surprise their prey. Imagine if you could make your skin feel smooth or bumpy just by thinking about it! Well, octopuses can do just that!

They have special sections in their skin called papillae that can make their skin bumpy or smooth. They can even change the texture of one arm while keeping the others smooth. This way, they can blend in with different surfaces like rocks, coral, or sand.


16. Octopuses have no internal or external skeleton, making them very flexible.

Octopuses are very special animals because they have a special kind of body. They don’t have a hard, bony skeletons like other animals. Instead, their body is made up of a soft and flexible material that allows them to squeeze into tight spaces, change shape, and move in many different ways.

This makes it easy for them to move through the water and navigate through coral reefs and other complex environments. They can also contort their body and slip into small openings, which makes it difficult for predators to catch them.

This flexibility and agility also allow them to catch their prey by sneaking up on them or reaching into small crevices. It’s definitely an amazing adaptation that makes them perfectly suited for their oceanic environments.


17. Octopuses can change the shape of their body.

Octopuses are like shapeshifters! They can change the shape of their body, making it look like different things. Imagine if you could make your body look like a ball or a long snake, just by thinking about it! Well, octopuses can do just that! They can stretch their body and make them look like different shapes.

They can also change the texture of their skin to make it look like different surfaces, like rocks or coral. It’s like they have a magic power to change the way they look and feel, isn’t that cool?


18. Octopuses can lay up to 400,000 eggs at once.

Octopuses are known for laying large numbers of eggs at once. Some species of octopus can lay up to 400,000 eggs at a time! The female octopus will lay her eggs in a protected area, such as a cave or crevice, and then she will guard them until they hatch.

During this time, the female will not eat and will spend all her energy taking care of the eggs. After hatching, the young octopuses will be on their own, with no further care from their parents.

A large number of eggs ensures that at least some will survive and reach maturity, even with the high mortality rate of the young. It’s definitely an impressive feat of reproduction and a testament to the resilience of these creatures.


19. Octopuses are carnivorous and eat various foods including clams, shrimp, lobsters, and fish.

Octopuses are carnivorous, meaning they eat other animals. They have a varied diet and they can eat a wide range of prey such as clams, shrimp, lobsters, crabs, fish, and other small mollusks. They have a powerful beak that they use to crack open the shells of their prey, and their eight arms are equipped with suckers that allow them to catch their food.

They also have a sharp, toothed radula (a tongue-like organ) that they use to shred their food. Octopuses are opportunistic feeders, which means they will eat whatever prey is available, from small planktonic organisms to large animals.


20. Octopuses have a parrot-like beak in their mouth.

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Octopuses have a parrot-like beak located on the base of their head. The beak is made of chitin, a hard substance that’s also found in the shells of lobsters and crabs. The beak is the only hard structure in their body.

It is shaped like a parrot’s beak, and it’s sharp and strong, and it is used to tear the flesh of its prey. It’s also used to crack open the hard shells of crustaceans, like crabs and lobsters, which are a staple of their diet.

The beak is also used to defend itself against predators, as it can deliver a painful bite if necessary. It’s a unique feature that allows them to be versatile predators and adapt to different food sources.


21. Octopuses have a short lifespan of one to three years.

Octopuses are relatively short-lived animals. They usually live for 1 to 3 years, with some species living up to 5 years. Their lifespan is largely determined by their size; larger species tend to live longer than smaller ones.

They typically die soon after they mate. After mating, the male octopus will die shortly thereafter, while the female will often die in the months following the mating process, as she uses all her energy to protect her eggs.


22. Female octopuses die shortly after their eggs have hatched.

After a female octopus lays her eggs, she spends several weeks taking care of them until they hatch. During this time, she does not eat or leave her eggs in order to protect them. Once her eggs hatch, the female octopus dies as she has used up all of her energy caring for them.


23. Octopuses can detach their own arms as a defense mechanism, leaving the arm to distract the predator while the octopus escapes.

Octopuses are fascinating creatures with a unique set of abilities. One of their more remarkable traits is their ability to detach their own arms as a defense mechanism. If a predatory animal is threatening an octopus, the octopus can easily detach one of its arms to leave behind and distract the predator while the octopus escapes.

The detached arm will still move like it is still attached to the octopus and can even crawl away from the predator in an effort to keep it distracted. While the arm wriggles around and distracts the predator, the octopus can quickly swim away to safety.

Octopus will eventually regrow a new arm, usually within days or weeks. It is an amazing ability that helps keep the octopus safe in the wild!


24. Octopuses are solitary creatures and prefer to live alone.

Octopuses are generally considered to be solitary creatures that prefer to live alone. They are territorial and prefer to have their own space. The majority of octopus species are known to be solitary and they only interact with other individuals during mating season.

They are known to be solitary hunters, they will only share their territory when it comes to mating. They will find a mate, reproduce, and then go their separate ways. Some species are known to be less solitary and they will tolerate other octopuses in their territory, especially if the food source is abundant.


25. Some octopus species are highly venomous.

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Some species of octopuses are highly venomous and have venom that can be dangerous to humans and other animals. For example, the Blue-Ringed Octopus found in the Pacific and Indian Oceans has venom that can cause paralysis and even death in humans if not treated quickly. Some species of octopus, such as the giant Pacific octopus, have venom that is relatively mild and not dangerous to humans.


26. Octopus blood is blue in color.

Octopuses are really special animals, they have blue blood! This is due to the presence of a copper-rich protein called hemocyanin, which is used to transport oxygen in the blood, instead of the iron-rich protein called hemoglobin which is found in red blood cells in most other animals.

The copper in hemocyanin binds to oxygen, forming a blue-colored compound, which gives the octopus’s blood its unique color. It’s an interesting adaptation that allows them to extract oxygen even in cold and low-oxygen environments, which is common in the deep sea where some octopus species live. It’s definitely a unique feature that sets them apart from other animals.


27. Some people in South Korea and Japan eat live octopus.

In some parts of South Korea and Japan, people eat live octopus. They might cut it up into small pieces and eat it while it’s still moving. It might sound a little strange to us, but it’s a delicacy in those cultures.

This dish is considered a traditional food there. Some people also believe that eating live octopus can have health benefits. However, it’s important to note that consuming live octopus has risks as well, it can pose a choking hazard and also can contain harmful bacteria.

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