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Top 15 Animals with the most unique eyes in the world

We all know how important our eyes are: most information, experiences and memories are gathered through them. In the animal world, there are even amazing eyes. more than us. Below is a list of the top animals with the most unique eyes in the world.

1. Mantis shrimp

Mantis shrimp have the best visual system in the animal kingdom. Humans, have three color receptors. But this crustacean has 12 different color receptors. The mantis shrimp can see colors that we cannot perceive. The beautiful eyes of the mantis shrimp also work independently, rotating in different directions at the same time. Eye rotation up to 70 degrees, providing a wider field of vision. In addition, mantis shrimp can see infrared rays, U.V. and polarized light.


The body of the mantis shrimp is only covered by an outer shell from the back of the head to the first 4 segments of the body. Body length can be up to 40cm, weight 250g. Mantis shrimp are nicknamed "thumb ripers" by European and American fishermen because when removing them from the net, if they are careless, they can tear their thumbs. Due to its iridescent rainbow beauty from luminescence, this species of shrimp is often raised as an ornamental. However, this type of shrimp is not as harmless as its beautiful appearance.
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2. Chameleon

Chameleons are famous for their ability to change color. Their visual system is equally amazing. This reptile can move its eyes independently, able to focus on two different objects in two different directions at the same time. This ability provides them with excellent 360-degree vision. Chameleons can also focus on objects with incredible speed.


They have the ability to change skin colors to include pink, blue, red, orange, turquoise, yellow, and green. Color is a language used to defend territory, express emotions, and communicate with potential mates. It is also a means of regulating body temperature. The way chameleons change color is interesting: Pigment-rich cells are located under the skin and can "open" and "close" to reveal color. For example, when angry, chameleons open cells containing brown pigment - melanin, helping to turn it dark. When it relaxes, cells containing yellow or blue pigments combine, giving the skin a soft blue color. When sexually aroused, chameleons produce a wide variety of colors and patterns. At night, many chameleons turn white.

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3. Owl

Owls have very interesting forward-facing eyes. This eye position gives owls a great advantage, good vision as well as depth perception. An animal or a bird with eyes on both sides of the head often has such excellent vision.


Surprisingly, instead of having eyeballs, owl eyes are tube shaped. Additionally, their eyes cannot move like ours but they can move their heads up to 270 degrees in both left and right directions and gain a much wider field of vision. To adapt to a nocturnal lifestyle, owls also have excellent night vision with millions of light-sensitive retinal rods.
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4. Dragonfly

One of the most amazing things about dragonflies is their beautiful, spherical eyes. Each eye has 30,000 faces placed in different directions. As a result, they have up to 360 degrees of vision allowing them to detect even the smallest movements in their surroundings. Dragonflies can also see ultraviolet and polarized light that is outside our visual spectrum. This plays a huge role in dragonfly orientation.


Dragonflies have round heads and are quite large compared to their bodies, largely covered by two large compound eyes on both sides. The pairs of legs can easily catch prey while flying. The two wings are similar, long, thin and almost transparent, and move independently of each other. The wing vein system is very thick, with many interlaced and complex dash veins. At the end of the front edge of the wing there is often a wing eye which is an adjustment part to eliminate mechanical vibrations, ensuring a stable wing. The abdomen is long. Mouth organ is crushing, slender legs point forward. The antennae are small, with two segments and one small, long segmented hair. Anal appendage in third, fourth (in males), second (in females) abdominal segments; genitals in the ninth abdominal segment; secondary copulatory organ in the second segment (in males).
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5. Goat

Do goats' rectangular pupils look strange? Obviously yes. It provides superior vision and is an advantage for this herbivore. Because they are easily attacked by predators while grazing. Their rectangular pupils give them detailed panoramic vision that helps detect danger from afar. Besides, they can rotate their eyes to help detect strange movements in the grassland even when grazing. Thanks to that, they have enough time to escape from predators.


Goats have a fine coat of hair covering their entire body. The fur can have only one color or many colors, usually black, gray, white, brown... Goat hair is long and short depending on the species and the different geographical locations where they live, for example the Goat species living in hot regions have short and sparse hair, while goat species living in cold regions have longer and denser hair (such as in mountainous areas or places higher than sea level). In goats, both males and females may have horns or no horns. Goat horns come in many shapes (curved backwards, vertical, spirally curved...). Both female and male goats have beards depending on the species.
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6. Squid

Cuttlefish are an interesting sea creature that can change color almost instantly. This helps cuttlefish quickly hide in the landscape, hiding from predators. This remarkable strength of cuttlefish is achieved with the help of specialized skin cells and their incredible vision. They have strangely shaped pupils, giving them wider vision and even being able to see what's behind them. Additionally, they can detect polarized light with incredible accuracy, detecting even the smallest change in the angle of polarized light. This helps to clearly see what is happening around them.


Squids vary in size from a giant 14m to a dwarf squid only 2.5cm long. These animals are classified as molluscs. There are about 500 species of squid in the world, scattered in all oceans. They are an excellent food source for fish such as whales, dolphins, sharks, marine fish and other squid. Squids are commonly found in estuaries, deep seas and offshore waters. In large bodies of water, the lack of shelter makes them vulnerable to attack, so their first defense mechanism to detect danger is their large, bright eyes. The giant squid, with eyes as big as dinner plates, has the largest eyes in the animal world.
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7. Hammerhead sharks

Hammerhead sharks have one of the strangest yet most interesting heads in the animal kingdom, shaped like a flattened hammer with eyes set far apart. However, studies have proven that this oddly shaped head serves a specific purpose, providing better vision than other sharks. To be precise, their eyes are so far apart that they give them excellent vision and the ability to sense depth.


The eye position of hammerhead sharks allows them to have better vision than most other sharks. Along with specialized sensory organs widely distributed on their large heads, they can scan deep into the ocean and find food more easily. Sharks possess a group of sensory organs also known as “Sense Ampullae Lorenzini”, which allows them to detect electromagnetic pulses or the activity of their prey. The sensitivity of Ampullae in hammerhead sharks is quite high, so this helps them easily find their favorite meals like rays even though these stubborn prey are hidden very well under the sand.

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8. Tarsier

The Tarsier is a small primate found in the forests of Southeast Asia. Their most prominent feature is their large eyes up to 1.6 cm in diameter. Compared to body size, these are the largest eyes among all mammals in the world. Like owls, tarsiers' eyes do not move because they are fixed in the skull.


In return, Tarsiers can move their heads 180 degrees left and right to help them observe what's happening around them. Tarsiers are nocturnal and only active at night, so Tarsiers' large eyes give them excellent dark vision. In addition, hearing is very sensitive. Both of these characteristics help Tarsier detect prey in low light conditions.
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9. Frog

The frog's large eyes are special in many ways. First of all, this amphibian spends quite a long time in water. To swim in water filled with trash, frogs have three eyelids, two transparent and one semi-transparent. This semi-transparent membrane is called a pseudomembrane. It can be completely closed so the frogs can protect their eyes underwater. The location of frog eyes on the top of both sides of the head also gives them better vision, covering up to 360 degrees. They can even see what's happening outside while submerged in water.


They move thanks to 4 toed limbs (on land). In addition, copper frogs can also jump to move towards the direction they need to go. When moving underwater, they use their hind limbs with membranes stretched between their fingers like a duck to swim in the water. While swimming, they poke their eyes and nose out of the water to get oxygen to breathe, and to observe the direction of travel. Easier.
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10. Husky dog

The eyes of the Siberian Husky dog ​​in Russia are almond-shaped and often have two white spots on top. To adapt to the low light conditions where they live, the eyes of this species have developed extremely sharp sensitivity. Husky dog ​​eyes are almond-shaped, spaced moderately apart and slightly slanted. Eye colors are also diverse such as sky blue, navy blue, amber, green, or brown. Some animals may have 2 eyes with each eye being a different color. It is also possible to have one or both eyes that are parti-colored, half blue and half brown. All of the above eye colors are accepted as "purebred" Husky eyes.


Husky dogs are considered to have an appearance and behavior similar to their ancestors, wolves. They prefer to communicate and communicate by howling rather than barking. They tend to wander and find ways to escape confinement. Husky dogs are considered master escapees, they can tunnel underneath, chew through, or jump over high fences.

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11. Cat

Cats' eyes have the ability to glow in the dark due to the tapetum lucidum cell layer, helping them see clearly, discreetly detect and attack prey. In many studies conducted by scientists on cats, the senses of cats in general such as cat eyes, cat whiskers... receive special attention.


There are many interesting things about cats' eyes. Their eyes have far superior abilities than human eyes. Cat's eye pupils can change up to 3 times a day to adapt to changes in light. When strong light shines on, the cat's eye pupil is just a thin line. In the morning, the pupils open a little larger, but when it is completely dark, the cat's pupils can widen and become completely round, so the cat can see everything clearly in the dark.

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12. Spider

About 99% of spiders have eight eyes. Some have six, four or two. Some species have no eyes or have eyes but are blind. Spiders have two types of eyes. The large eyes help create images. The auxiliary eye helps the spider's movements and measures distance. The number and arrangement of spider eyes help an arachnologist identify the species of spider.


A spider needs a lot of eyes because it cannot turn its Cephalothorax (head) to see. Instead, the eyes are fixed in place with a nearly 360-degree viewing angle. To hunt and avoid predators, spiders need to be able to sense movement around them.


The two main types of eyes of spiders are front eyes called Ocelli (main eyes) and secondary eyes. In other arthropods, Ocelli only detect the direction of light, but in spiders, these eyes form real images. The primary eye contains muscles that move the retina to focus and track images. Most spiders have poor eyesight, but Ocelli in jumping spiders are better than both dragonflies (insects with the best vision) and human approaches. The main eye is also called AME (Antero-media Eyes).

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13. Flies

Although they are only small creatures, fly eyes have a very complex structure and allow them to observe the world with a greater vision than humans. What's hidden deep in those eyes are thousands of complex lenses that create an advanced observation system that helps them easily see. Let's take a close look at how pest insects observe this world.


Have you ever wondered why swatting flies is so difficult? Eyes are a privilege that nature has given to flies. Flies have compound eyes made of thousands of visual receptors. Each lens works independently to create a wide and mosaic image – allowing the fly to detect all the smallest movements across a large area.

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14. Scallop eyes

Oyster eyes have the ability to reproduce to replace lost eyes. Clams have many eyes located along the right and left edges inside the shell. If it unfortunately loses an eye, it can completely produce another eye to replace it. This is something that no other animal can do.


Clams (Scientific name Arcidae) is the common name for the family of small and medium-sized bivalve molluscs. Live in river, sea, and brackish water environments. The characteristic of the clam family is that they have bivalve shells that can open and close. The shells are diverse in size, color, and pattern. There are more than 200 types of oysters in nature.

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15. Crocodile

Crocodile eyes do not have tear glands. “Crocodile tears” is an image full of conventions in language, because in reality, crocodiles never cry. They do not have tear ducts. However, crocodile eyes can secrete an oily fluid from behind the third eyelid or eye membrane, to lubricate or clean the eyes and inhibit the growth of bacteria. The edges of this membrane can be seen at the edge of the crocodile's eye when it is opened wide. “Tears” also comes from this place.


Crocodile eyes are about the same size as human eyes (about 24mm wide or a little smaller than a piece of gum!). They can come in a variety of colors from brown to green and have a pupil similar to a cat's. Crocodiles have a vertical slit for the pupil and can close it so that it is a very narrow line. Their eyes are located on top of their heads so they can wait and ambush their prey. They often hide below the surface of the water with only their eyes and nostrils above the water.
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