How many animals have three eyes?

Answer 1

Most reptiles have a pineal gland in the center of the skull that functions as a 3rd eye. It can detect some wavelengths of light and tells the brain to initiate hibernation.

Most animals have three eyes, it depends if youre talking about a eye you can see through or an eye that senses light or just a eye that's there when its not supposed to be the third eye is located on the top of the head usually.

Another answer.

It is believed that the New Zealand lizard-like reptile called the tuatara, has a third eye (or pronounced photoreceptive eye).

lizard ( Many lizards have a third eye called a parietal eye (or pineal eye). With this eye they cannot see 3D figures or images

The tuatara, a lizard-like reptile that lives only in New Zealand, has those three "eyes." It belongs to a group of reptiles that once included many other creatures, but today, the tuatara is the only surviving member of that group.

To understand where the tuatara's "third" eye came from, scientists studied a small growth attached to the front of the reptile's brain, a gland my called the pineal body.

In some lizards, the part of the brain that is related to this pineal body is shaped much like an eye. It has a lens-shaped outer wall, a transparent covering, and a retina with pigment.

Scientists think that this "pineal eye" does not help most lizards see, but in the tuatara, the pineal eye is fully developed, giving the creature a "third eye" through which to see!

The tuatara, a lizard like reptile that lives only in New Zealand. It is born with a third eye on the forehead but later on, as it reaches adulthood, this third eye is covered by thick skin.

Answer 2

The tuatara is a reptile that is endemic to New Zealand and which, though it resembles most lizards, is part of a distinct lineage, order Rhynchocephalia.

Tuatara are greenish brown and gray, and measure up to 80 cm (31 in) from head to tail-tip and weigh up to 1.3 kg with a spiny crest along the back, especially pronounced in males. Their dentition, in which two rows of teeth in the upper jaw overlap one row on the lower jaw, is unique among living species.

They are further unusual in having a pronounced photoreceptive eye dubbed the "third eye", whose current function is a subject of ongoing research, but is thought to be involved in setting circadian and seasonal cycles. They are able to hear, although no external ear is present, and have a number of unique features in their skeleton, some of them apparently evolutionarily retained from fish. Although tuatara are sometimes called "living fossils", recent anatomical work has shown they have changed significantly since the Mesozoic era.

Answer 3

I remember as a kid in the early to mid 80's watching a program on TV . I belive it was "Ripley's Believe it or not" , ( I could be wrong about this , it may have been another show like Ripley's )
But they showed people with 3 eyes .. Placed in the same spot as the 3rd eye Shakra ..
I remember the man with three eyes had a bandana covering his brow and wore a hat as well .. And he mentioned he did this so people wouldn't stare and he could get by as a regular person ..

I haven't been able to locate any video or record of this , yet .. But I am certain there is a video clip out there somewhere .

Whether it was fake or not , I couldn't say . I was about 6 or 7 years old at the time I saw it . It was presented in a way that made it seem like a real thing .

Answer 4

.The answer to that is unknown because new animals are born and knew animals are also discovered every once in a while so maybe some of them have 3 eyes.

*Added - There is only one known animal, when referring to vertebrate animals and not things like insects, that has 3 eyes. However, its third eye, located in the middle of its "forehead" is vestigial and non-funcitonal. This is a lizard-like animal living in New Zealand known both as the sphenodon (scientific) and more commonly as the tuatara.

Answer 5

Yes. The triops has three eyes. It is a freshwater crustacean.

Answer 6

Camels