Per 
Juvenile instance of SCP-XXXX, opening its buccal orifice to filterfeed.
(As seen next to Dr. ████████████████.)
Special Containment Procedures: Due to escalating circumstances, any and all mention of, reference to, or documented knowledge regarding the village of [DATA EXPUNGED] is to be removed and censored from civilian, military, and non-Foundation-affiliated records, including but not limited to: maps, atlases, tourist guides, travel pamphlets, paintings, photographs, postcards, newspapers, satellite images, and any packages or letters not mailed before 09/11/2018. A maintained radius of 18.24 km around Site-89 is to become inaccessible to outside civilians. Any roads, state sanctioned highways, and routes that lead to the aforementioned village within the designated radius are to be dismantled.
All information and physical records are to be brought to Site-77 for subsequent digitization, storage, and or disposal. A completed dossier of all confiscated material is currently pending.
(UPDATE: 01/01/2019) Since the initial inoculation of Class F amnestics, it has proven difficult to continue site operations without inquiry from local residents. MTF-Gamma-5 have been redeployed to distribute another round of amnestics; former residents will be immediately displaced and monitored by Foundation field agents at █████████. The former village of [DATA EXPUNGED] is to be re-designated Site-89 in all digitized records written and or possessed by the Foundation. Procedures regarding the three young men who had perpetrated the acid attack are to remain unchanged.
The interior perimeter is to be patrolled by a circulating detail of MTF units: MTF Epsilon-80, MTF Epsilon-81, and MTF Epsilon-84, (UPDATE: 10/01/19) under the authority of the newly appointed Commander of Security Operations at Site-89, Lieutenant Colonel ████ ███████. The seaside perimeter is to be regularly monitored by a set of 6 patrol vessels, with 1 stationary ████████-Class Foundation Corvette. Belligerent individuals are to be dealt with using any means necessary.
Smaller instances of SCP-XXXX (hereafter referred to as SCP-XXXX-β) appear to flock with about 5 larger instances of SCP-XXXX (which will further be referred to as SCP-XXXX-α). SCP-XXXX-α do not exhibit territorial tendencies and appear to co-habit a km2 area designated Sub-Zone 12-B1. All 5 SCP-XXXX-α are to be routinely observed for any signs of illness or any life-threatening afflictions and must be kept within Sub-Zone 12-B2 to prevent the colony from potentially leaving Site-89's patrolled radius.
Instances of SCP-XXXX-1 are not to be confiscated from the village populace and is deemed unnecessary.
Furthermore, a joint task force composed of Senior Foundation personnel from Site-77's Marine Biological Research wing and Senior Materials Manufacturing Specialists from Site-11 has been provisionally sanctioned by the O-5 council to cull, collect, and manufacture SCP-XXXX-1 for tentative use across the Foundation, and thus have been reassigned to Site-89.
Notice: SCP-XXXX-1's expected phase-in date for probational usage: (13/06/2019)
Please contact your Site's Materials & Logistics Officer for more details.
Description: SCP-XXXX is a colony of approximately 680 extremely mobile3 sea sponge found exclusively off the coast of the remote Italian seaside village of [DATA EXPUNGED] coastal perimeter of Site-89. Located in the █████████ Sea, size and shape varies slightly from "members" of the colony; however a majority of the population appear to be vaguely spherical in shape, often reaching 1.6 meters in diameter once reaching an observed period of maturation — although, all instances of SCP-XXXX-α are often found exceeding that particular size standard by an additional 1-2 meters.
SCP-XXXX possesses extremely anomalous properties as a cleaning sponge4: the designation of SCP-XXXX-1 refers to this cleaned and processed form of SCP-XXXX. Regardless of a particular specimen's size, it appears that SCP-XXXX-1 can be manufactured with the appropriate chemical treatments.
The mere fact that SCP-XXXX can even be turned into a sponge is actually quite bizarre: immediately after the acquisition of Site-89's current location, Foundation scientists initially surmised that due to its dissimilarity to Spongia5, in that it possesses a spicule endoskeleton similar to non-Spongiae Poriferia, that it shouldn't be possible to turn SCP-XXXX into a usable sponge. However, documentation captured by Field Agent, Sergeant ████ ███████ reveals a process through which a village sponge farmer utilized to treat SCP-XXXX into SCP-XXXX-1 (See Addendum XXXX.0X), thereby contradicting the initial prognosis.
SCP-XXXX-1, after subsequent processing and refinement, is utterly resistant to most extremely caustic/corrosive substances — its resilience far exceeding that of a normal, household synthetic or natural sponge. The Foundation is currently unsure as to how SCP-XXXX-1 is capable of absorbing caustic/corrosive substances, although it is believed that SCP-XXXX and SCP-XXXX-1 possess a set of biological mechanisms that allow for its cells to maintain an internal cellular pH at a constant level of approximately 7.3. Nonetheless, SCP-XXXX-1 is not completely resistant to all caustic/corrosive substances, as it displays slight degradation with the introduction of certain oxyacids.
Fortunately, SCP-XXXX-1 does not display the unique biological traits characteristic to that of SCP-XXXX. Once converted into SCP-XXXX-1, SCP-XXXX-1 is functionally considered inert, regardless of whether or not it is confined within a standard Foundation containment receptacle.
Despite the possible ethical issues that may coincide with manufacturing and utilizing SCP-XXXX-1 as a Foundation asset, it can be said with confidence that SCP-XXXX is not sapient, although it is apparent that SCP-XXXX possesses both a higher cognitive capacity and anatomy completely distinct to that of normal Poriferae.
SCP-XXXX possesses appendages used to carry itself about the sea floor6. These extremities work in manner similar to Scotoplanes7: utilizing their spongocoel8 to pump water into hollow chambers of softer, less porous tissue in order to inflate and deflate the limbs. A confirmed maximum speed of 8.34 km/h has been observed in a [REDACTED] (See Addendum XXXX.0X).
Much like other species in its phylum, SCP-XXXX still somewhat relies on water flow to gather nutrients, however SCP-XXXX distinguishes itself from other Periferae by possessing a backwards flowing, articulated osculum9— effectively functioning as a buccal cavity10 (which will accordingly be referred to as such) taking water through its buccal cavity and into modified choanocytes11 located within the spongocoel. SCP-XXXX does not secrete enzymes while [REDACTED]. All specimens of SCP-XXXX appear to be opportunistic eaters, seldom exerting energy to pursue greater prey. However, a video log capturing anomalous, uncommon behavior within SCP-XXXX-█ has been documented, detailing [REDACTED].
Addendum XXXX.1: Discovery
The O-5 Council officially recognizes two separate causes by which SCP-XXXX came into Foundation attention.
- Accredited Marine Biologist ████ ██████'s discovery of SCP-XXXX in an obscure reference book, of which led him to [NOT DONE]
- SCP-XXXX was subsequently discovered after witnesses reported an criminal offense perpetrated by a group of three young men to local authorities at [DATA EXPUNGED]. Fortunately, local Foundation agents were able to intercept the report before any police sanctioned action was ordered.
