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Tardis
"Swamp monster" is a title based upon conjecture.

Check the behind the scenes section, the revision history and discussion page for additional comments on this article's title.

The swamp monsters were a species that lived in thick, muddy swamps.

Biology[]

Each swamp monster consisted of a large, gelatinous mass that housed the brain and other vital organs. They also had a number of large tentacles protruding from the central mass. The brain and nervous system were spread across the body, meaning that their ability to think was slow. They kept their bodies submerged in water, with water buoyancy supporting their large bodily structures as it does for whales. The creatures expand rapidly, and as a result of their rapid cell-division they barely age.

The swamp monsters interacted with dry land using their tentacles. Each tentacle could penetrate the skull of another being; this allowed it to control them in a similar fashion to a puppet. They could also implant commands by transferring some of their biological matter into a living creature's bloodstream via an injection. By attaching tentacles to other beings, a swamp monster was capable of utilising their skills and intelligence. The effects of this on humans were described by Marj Haddon as being unpleasantly drunk, and made respiration feel “like breathing treacle”. While full-body control via tentacle penetration was fatal in humans, a more short-term injection wore off over time, or could be treated with adrenaline.

Their lack of innate intelligence meant that they acted mostly on instinct to survive. As mentioned, they can use other species to help achieve their goals. For example, the Swamp Monster on Sunday utilised humans to communicate with others. It also used a protein-RNA mix to control smaller animals, such as the Sundayan otters; this mix implanted memories and images into them and generally led to a rise in aggression. The effects of this control were short-lived, so swamp monsters would make their subjects return to them regularly.

They believed that reproduction was the purpose of life; they achieve this by blowing their bodies up. Individual severed parts of a swamp monster could grow into fully-formed, independent creatures by a process the Tenth Doctor called "binary fission". A powerful enough explosion could project each piece of swamp monster into space, where it could then spread to other planets, in a similar fashion to stage trees, Krynoids or the comet flowers on Besseme. (PROSE: Wetworld)

History[]

Sometime after the arrival of the Sundayan colonists in 2107, a small piece of swamp monster landed on the planet Sunday inside a meteorite that struck the planet. It took time to establish itself; the colonists first noticed that something was different when the local otters became more aggressive. After the arrival of the Doctor and Martha Jones, the creature began to attack the colony. It killed and took control of Pallister the head of the Sundayan Council and former nuclear technician, intending to use his knowledge of nuclear technology to build a nuclear weapon and blast itself into space and spread to new worlds. The Doctor managed to defeat it by allowing it to begin to take control of him; he then injected the creature with a new protein-RNA mix, which he had designed to destroy its outer membrane. The creature died shortly after. (PROSE: Wetworld)

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