An Erin (pronounced Ee-rihn) is a species that is a unique class of mammals. Both male and female posses tell-tale antennae that sit on their heads, though, these things vestigial.

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An adult Asiatic Erin (female)

Overall Biology Edit

Male and female erins have evident characteristic gender traits. Females tend to have large hips, which is usually evident by their curves. Her eyes are large and she possess soft fine hair. Her breast size may vary from large to small or, uncommonly, unnoticeable.

She may possess a hymen that is completely destroyed during intercourse but, rather odd, is only partially destroyed during childbirth (see reproduction section below). Males posses soft but bristle-like hair and generally have small eyes. Males are more muscular than females and, obviously, have no curves. Females also are shorter than the males by 5-9 inches.

At ages 53 or 54, possibly older, is when the females lose their ability to reproduce and can almost never stop reproducing before then. The reproductive system is rather resilient to most damage, however, conception and birth would be difficult. In extreme cases, severe enough damage can render a female infertile. 

Aging and Lifespan Edit

Erins do not age very fast but it seems they age much slower than other species. When they are children, they age in accordance to other species but when they are adults, they age even slower than other species. Why do they age so slowly, is a mystery but it might have something to do with how long they tend to live. In that kind of context, due to how slow they age, one could be extremely old and they might appear to be middle aged.

The only symptoms of their old age are silvery-white hair, ragged antenna (tell-tale), slight wrinkles around the eyes, and weakened vision but those are the more overt symptoms present.

They can and or tend to live for about two or three millennia, with five millennia being the most and one at the least of the maximum. The minimum they could live would be roughly about 300-400 years.

Blood Edit

The color of an erin's blood is red when has oxygen in it, as one could observe by them bleeding. Deoxygenated blood is pink or magenta but the bruises appear blue or purple. Apparently, some eirns possess toxic blood that turns someone crystal or something if it is foolishly mistakenly, transferred into someone else's veins. However, when this happens, they will start to crystalize from the inside out and crystalization almost always result in instant death.

Toxins and Immunity Edit

Some of erins have toxic properties while others may not. Generally, erins usually use bacteria (which would cause the bite to swell up), more so than venom unless forced. The toxins in their bodies can be deadly, depending on the amount injected and the size of the person, making them highly poisonous. In order to be cured, one must tie off the artery and draw out the toxin or be injected with antivenin but one would have to go to the hospital for either one of the latter.

Typically, erins born with them but their bodies creates new toxins, depending on the things they have been exposed to (i.e. plants). Erins are immune to their own toxins and the toxins of the same sub-species. However, if a member of a different sub-species bites one of them, they will be injured but not severely harmed because they have some immunity to different sub-species toxins.

It is variable but if infants born with toxic properties, then they would be rather benign and would only cause pain to the one bitten but the pain can last for a week.

Teeth Edit

An erin's teeth must be decently sharp if can do some serious damage just by gnawing through a metal chain-link barbed-wire fence. An erin's teeth are extremely different and always grow back, so they have "baby teeth" all the time. Every time they lose their teeth, they regrow, they never stop regrowing but how long it takes for them to regrow varies.

When they start to come in, an erins gums hurt, so they gnaw on things to make them feel better. Their teeth often tend to to house bacteria or, in some cases, venom.

Infantile erins are generally born with teeth because their diet is not entirely liquid (more specifically, milk) that is common with other species but their teeth are small and hardly seen, as well as slightly underdeveloped, so they would probably be able to eat softened or slightly solid food. It should be noted that their teeth can't do much damage to anything, except skin and fabric.



An infant erin of the Asiatic subspecies.

This species has two ways of reproduction. They reproduce in pretty much the same way any species would but the females also reproduce asexually, if intended or needed, because they can actually impregnate themselves but only females can do it and our pregnancy lengths vary, depending on present conditions and by how much her hormones

If a female reproduces asexually once, she gains the ability to reproduce at will and may do so very quickly. When a female's egg is fertilized, it develops from zygote to embryo within a matter of minutes and develops into fetus within a matter of hours if not a couple of days.

Pregnancy tends to have no real noticeable traits aside from the female's body getting heavier (her abdomen may become rounder and protrude slightly by about  11/2 or half an inch, if it does), rather, pregnancy is best observed by watching  behavior and eating habits, as anything besides the aforementioned are telltale or could be mistaken.

Usually, the female gives birth to one offspring, although, they can have multiples. Generally, pregnancies have no exact length and, whenever they are born, they are born, for the most part, fully developed. However, it would be considered rather premature, if they were born in under a month. The only signs of babies being born premature are a small size and poorly developed limbs

Healing and SurvivalEdit

Erins, for some reason, can survive things that would normally be viewed as fatal. How exactly they can survive very severe injuries, is not known, but it might be because they tend to live longer than other species and that they heal faster (in comparison to other species).

Thus, this renders them decently tolerant to pain and makes them virtually indestructible. Though, an erin can die of old age (commonly), illness, and injury if left in severe state of neglect for an extended period of time, usually three days to possibly a year at the maximum.


Usually, erins do not hibernate and that depends on whatever the circumstance is. While they do not usually hibernate, they go torpid for a period of time, if they are not used to the cold. If they do hibernate, it is usually for a reason, like a regenerative state or if induced.

Communication Edit

Erins use grunts, whenever they try to get each other's attention, they screech or hiss to show they won't tolerate each other's bad company or company at all, they squeal whenever they are physically hurting each other and they want to stop or when they in distress, they growl whenever they are upset and as warning whenever we're going to fight, and they squeak whenever we're inquiring about something. In short, they use many vocalizations.

Infants communicate pretty much in the same way the adults of our species does. They cry, like typical babies. They grunt whenever they're trying to bring notice to something or to get attention. They squeal and scream whenever they are in distress or injured and they need their mothers. They laugh and giggle whenever they express happiness or whenever they find something entertaining. They squeak whenever curious or inquiring or, at times, trying to get attention. Since, they can't growl or screech, yet, they bite or snap their teeth and/or try to scratch (their claws can do some harm). Those are the only vocalizations that can be thought off.