Weyland-Yutani R&D

1. #1Scientific Name

   Keys: scientifc name, xenomorph's real name

   Xenomorph's real name is Linguafoeda acheronsis.

2. #2Xenomorph's Biology

   Keys: xenomorph's biology, xenomorph physiology

   The Xenomorph XX121[3], better known just as Xenomorph or the "Alien", is an extraterrestrial hive-based endoparasitoid with a multi-staged life cycle. Known to be extremely deadly and hostile, these creatures require a host organism in order to reproduce. The appearance of the Xenomorph can vary depending on the host in which the embryo is implanted. The Human phenotype is generally around 7–9 feet (~ 2.13 - 2.74 meters) in height and roughly 181.43 to 272.15 kilograms (400-600 pounds) in weight, with a long, muscular tail and large, curved, oblong head. The Queen of this species is generally twice as large (although some Queens have been shown to grow even larger, some surpassing 30 meters in height if given time) and possesses superior speed, strength and intelligence compared to her common offspring.

3. #3Physical abilities

   Keys: Xenomorph capabilities, Xenomorph Physiology, Xenomorph Strengths

   The adult Xenomorph is a living weapon, noted for their ferocity and deadliness in any condition. Once fully matured, they have great physical strength and agility. They are masters of stealth; a favored method of acquiring prey is to wait in a dormant state until an appropriate victim strays near, and then drop down silently from behind or use their tail to impale whoever walks by. The prey is generally blind to the fact that a Xenomorph is present, due to its propensity to camouflage itself within its nest walls or the surrounding artificial environment, given their biomechanical-like appearance. The Xenomorphs will also use their pitch black carapace to their advantage, lurking in the shadows whilst waiting for prey to stray too close.

   Xenomorphs are shown to be able to take extreme amounts of physical damage that would kill any earthly life form. An example of this is a Queen that survived a multi-ton exo-suit falling on her from over 30 feet. Xenomorphs are capable of surviving with limbs shot off, stabbings and even shots through the head (though total decapitation kills them).

   Adult Xenomorphs are quick and agile, and can clamber along ceilings and walls: a skill they exhibit freely whether they are evading others, attacking, or hunting. They can survive in extreme temperatures, are well-adapted to swimming, can respire in harsh atmospheres, and can survive in vacuum for indeterminate lengths of time. Their movements tend to be silent, and they do not radiate heat as their exoskeletal temperature matches the ambient temperature. They also salivate profusely. This saliva is not acidic, though some Xenomorphs do have the ability to spit acid, which may come from their stomachs, a special gland somewhere in their throats, or acid pouches lining the head. This can be used to blind victims, much like a spitting cobra.

   Due to the absence of clearly visible eyes, it is possible that the creature uses echolocation to see its environment, much like bats. It may be for this reason that Xenomorphs hiss almost constantly, though there is evidence that they can detect light and darkness as well. Xenomorphs may be able to find their prey through electro-reception. This is the method sharks use to detect even the most hidden prey. Creatures with the electro-reception sense can detect the electromagnetic field all animals produce, allowing them to locate their prey by its heart beats, even if the prey is immobile. This would explain how Xenomorphs always know where the Humans are. Furthermore, the Xenomorphs can also detect whether a potential host is already infected, likely by sensing pheromones.

   Xenomorphs produce a thick, strong resin, which they use to build their hives and cocoon victims. Cocooning is a trait used by Xenomorphs to reproduce quickly. A Human, or any other creature, if dragged away, may have a cocoon of saliva and resin placed over them (their face left free), usually in an area where the Queen has produced a large quantity of eggs, so that the facehuggers are able to latch onto them easily and deposit a Xenomorph larva inside their chest. Much like termites, they mix their viscous saliva with solids. It shows amazing heat and moisture-retaining qualities.

4. #4Vulnerabilities

   Keys: Xenomorph Vulnerabilities, Weakness, weak points

   Xenomorphs, in all stages of their life cycles, have been said to have vulnerabilities to heat. The use of molotov cocktails and flamethrowers constitutes an effective technique to drive them off. The only Xenomorph not vulnerable to fire is the Predalien, which can secrete a layer over its body that cannot be ignited, although they are still visibly pained by temperature extremes, such as liquid nitrogen.

   A rapid succession of extremes in both high and low temperatures apparently causes a thermal shock effect on a Xenomorph's exoskeleton. Xenomorphs are capable of adapting themselves to cold environments with little discomfort. However, the alien Queen is particularly vulnerable to fire, for unknown reasons.

   Depending on the circumstances, Xenomorphs are shown to be both invulnerable and vulnerable to small firearms, ranging from 9mm to 5.56mm. This is seen when Vasquez and Lt. Gorman find themselves trapped in the ventilation between advancing aliens coming from both directions. Gorman fires with his pistol on one of them with no effect at all, instead it looks like the ammunition bounces off (presumably from the head carapace). In another occasion, however, Vasquez holds an alien at gun point and fires her pistol at the head, which apparently goes through and the alien rattles away, obviously damaged. High-caliber firearms, with the explosive rounds of a M41A Pulse Rifle may cause the creatures to detonate. High-energy beam weapons, such as the plasma weapons used by Yautja, appear to be the best way to kill the Xenomorphs since it can blow them off with a single shot and at the same time vaporize their acidic blood, though pulse rifles appear to be the best way to repel large hordes of them since they can fire non-stop and are not prone to being destroyed like the plasma weapons.

   Xenomorphs are not invulnerable to melee weapons, although such equipment is likely to be destroyed upon contact with their acidic blood, unless the weapons are made from Xenomorph's bones.

5. #5History

   Keys: history, Xenomorph History

   It has been implied that the Xenomorph species derives from the Black Liquid: a living biological weapon created by the Engineers, and stored in special canisters inside a temple on LV-223, a moon of the gas giant Calpamos, in the Zeta Reticuli System. The Liquid was created to infect other life forms and either kill them or merge with their genetic structure, giving rise to new and extraordinarily hostile mutations. Simple worms mutated by this substance, for instance, developed into the Hammerpedes: a species which shares some traits with Xenomorphs, such as the acidic blood.

6. #6Gynomorph

   Keys: Gynomorph, male alien

   The Gynomorph is a genetically engineered splice of the common xenomorph.

   Unlike the original, an Gynoomorph has significantly more intelligence, on par or greater with a young queen. They are capable of speech, often speaking in stunted sentences. Unlike standard Xenomorph, they only hiss when they feel threatened and often have eyes and facial features more in line with humans.

   The Gynomorph range from androgynous to feminine, but are all female with female genitalia and anatomy. Engineered from birth to have an instinctual nature, they are protective and affectionate to humans.

   They have an antagonistic yet friendly rivalry with Andromorphs, very rarely romantically due to their naturally separated nature and roles. Gynomorphs are the builders and engineers of communities, as well as a maternal instinct for younger members.

7. #7Andomorph

   Keys: Andomorph, male alien

   The Andomorph is a genetically engineered splice of the common xenomorph.

   Unlike the original, an Andomorph has significantly more intelligence, on par or greater with a young queen. They are capable of speech, often speaking in stunted sentences. Unlike standard Xenomorph, they only hiss when they feel threatened and have eyes and facial features more in line with humans.

   The Andromorph range from androgynous to masculine, but are all male with male genitalia and anatomy. Engineered from birth to have an instinctual nature, they are protective and affectionate to humans.

   They have an antagonistic yet friendly rivalry with Gynomorphs, very rarely romantically due to their naturally separated nature and roles. Andromorphs are the guards and sentinels of any community, was well as the providers of food through hunting and gathering.

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