nn5n Foundation
Branch of SCP Foundation
nn5n: scp-3446 Parasitic Armour Plating
EuclidSCP-3446 Parasitic Armour PlatingRate: -5

Item #: SCP-3446

Object Class: Euclid

Special Containment Procedures: A viable population of SCP-3446 and suitable host organisms is contained within unit 3446 of Biological Research Area-12. This unit's atmosphere is sealed, with filtered vents connecting it to the rest of the facility. Access to unit 3446 is not restricted, but all personnel must be disinfected on leaving, until such time as a sterile variant can be developed.

Eradication of the wild population of SCP-3446 in ███████, Africa currently remains ongoing. Farmers in the area have been discreetly provided with advanced pesticides developed by The Foundation using the neurotoxin SCP-3446 secretes. Additionally, an observation post has been established to chart SCP-3446 sightings, eliminate the sighted population, and amnesticise any witnesses. Cooperation with locals is encouraged where possible.

Personnel working in unit 3446 who wish to undergo voluntary SCP-3446 infection may do so. However, no more than 50% of the staff in unit 3446 may be infected at any one time, and the heads of security and research must be disinfected weekly. This directive may be subject to change as the neurological effects of SCP-3446 are better understood.

Description: SCP-3446 is a species of symbiotic parasite that clings to the exterior of its host, performing a protective function while drawing sustenance from the host's blood. SCP-3446 has a shell similar in composition and appearance to keratin. However, its resilience, flexibility and light weight are far beyond that of any naturally occurring organic compound. Additionally, SCP-3446 has the capability to infect any species of animal larger than itself, including humans. SCP-3446 cannot infect plants or fungi, and infecting animals smaller than itself is always fatal to the host or the SCP-3446 instance.

SCP-3446 instances have a flat hexagonal shape, with a feeding device that siphons blood from the host on the underside. The upper side of each instance is covered in the keratin-like substance described above, with a colour and texture similar to that of human fingernails. This compound has, in testing, sustained damage including:

  • ten minutes of sawing with a standard kitchen knife. This produced a small groove across the instance's shell, which did not heal over time.
  • four strikes with a sledgehammer, killing the host. The SCP-3446 instance was undamaged, although postmortem examination revealed minor internal bleeding. Had the host been more resilient, the SCP-3446 instance likely would have survived.
  • a single shot from a Glock 19 at an angle of 45 degrees. Both the host and parasite survived. A replication of this experiment, with the angle at 0, resulted in the death of the SCP-3446 instance, and moderate bruising to the host.

SCP-3446 shells are extremely light and flexible for their strength. With SCP-3446 instances attached to all of their joints, humans are able to run at approximately 92% of their unencumbered speed. It is believed that if SCP-3446 evolved naturally, its lightness must have been selected for in the wild, to protect its host. If its anomalous properties can be pushed further by selective breeding, it could be a valuable tool for military personnel.

SCP-3446 reproduces via airborne spores that embed themselves in a host's skin before growing into their adult form. Over a period of 3 weeks, a spore can grow to cover 10 cm2 of the hosts's skin, at which point it stops growing and begins releasing spores. Initially, SCP-3446 instances grow in irregular locations on the host, leaving numerous gaps. Over time, instances release a neurotoxin that is harmless to most animals, but in high enough concentrations is deadly to fish, arachnids and SCP-3446. This toxin is pumped into the bloodstream of the host, and over time kills all instances that are in inconvenient locations for the defence of the host. Lower concentrations of the toxin attack instances that align with the existing pattern, due to an unknown, likely anomalous, mechanism.

After 3-12 months, depending on the size of the host, most animals will be entirely covered in SCP-3446, with only small gaps between instances, along with larger gaps around the face and other exterior structures. Several personnel have expressed interest in allowing themselves to be infected to this level, as there appear to be few drawbacks to symbiosis. This has been allowed to a certain extent, and with more research into SCP-3446, widespread use of the parasite may be viable for The Foundation. Authorisation to engineer a variant that does not release spores is pending, as is investigation into possible ties with SCP-2273.

page revision: 1, last edited: 07 Feb 2018 11:13
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