The Dragons of Pern are a fictional race created by Anne McCaffrey as an integral part of the science fiction world depicted in her Dragonriders of Pern novels.
In creating the Pern setting, McCaffrey set out to subvert the clichés associated with dragons in European folklore and in modern fantasy fiction. Pernese dragons are similar to traditional European dragons in the fact that they can breathe fire and resemble great lizards or dinosaurs with wings, but the resemblance ends there. Unlike most dragons in previous Western literature, Pernese dragons are entirely friendly to humanity. Furthermore, they are not magical at all. Instead, they are a heavily genetically modified species based on one of Pern's native life-forms, the fire-lizard.
History In Dragonsdawn, the race was intentionally engineered to fight Thread, a deadly mycorrhizoid spore that devours all organic matter that it touches, after it first caught the human colonists on Pern with devastating results. Geneticist Kitti Ping Yung designed the dragons by manipulating the genetic code of the indigenous fire-lizards that had been acquired as pets by the colonists. The dragons were named after their resemblance to European dragons from the legends of old Earth. Later genetic manipulation by Ping's granddaughter, Wind Blossom, also resulted in the watch-whers, a nocturnal creatures who bore a slight resemblance to dragons. The later novels, set during the Third Pass, have shown the watch-whers as more useful than commonly thought in the novels set in the First Pass. On Pern, time is measured in "Turns", or years, and "Passes", which are about fifty Turns long, and occur when a planet named the "Red Star" is close enough to Pern for Thread to traverse space between the Red Star and Pern. Thread only falls during Passes. Periods between Passes, when the Red Star's orbit takes it away from Pern, are referred to as "Intervals", usually lasting about two hundred Turns. In the novels, "Long Intervals", of about four hundred and fifty Turns, have occurred twice. These Long Intervals have led the inhabitants of Pern to believe that Thread will never return.
Physiology Dragons are described as carnivorous, oviparous, warm-blooded creatures. Like all of Pern's native large fauna, they have six limbs: four feet and two wings. Their blood, referred to as ichor, is copper-based and green in color. Their head and general body type is described by McCaffrey as being similar in shape to those of horses. On their heads they have small headknobs, similar to those of giraffes, and no visible ears. They have multifaceted eyes that change color depending on the dragon's mood. Unlike the dragons of Terran legend, they have a smooth hide rather than scales; the texture of their skin is described as being reminiscent of suede with a spicy, sweet scent when clean. They are described as having forked tail ends with a defecation opening between the forks, but most artistic renderings depict their tails as having spade-shaped tips. The dragons usually get from one place to another by utilizing a teleportation process known as "going between".
Kitti Ping designed the dragons to gradually increase in size with every generation until they reached pre-programmed final dimensions. The dragons of the first Hatchings were not much bigger than horses. By the Sixth Pass (1500 years later) they had reached their programmed size and remained at that size until a single isolated dragon population suffered severe inbreeding, resulting in much larger beasts. In the Ninth Pass, in which most of the novels have been set, the largest Pernese dragon on record, Ramoth, hatched. According to the novel All the Weyrs of Pern, these dragons were roughly three times the size of the largest first-generation dragons. Ramoth's great size is often attributed to mutation and the genetic isolation of Benden Weyr for over 400 years (or Turns). Ramoth, at full length, was forty-five meters long,The Dragonlover's Guide to Pern, pg 39, 1989 but according to Anne McCaffrey, her dragons are measured in feet and not meters. Ramoth was intended by the author to be 45 feet long. As referenced in her quote from the 1979 documentary series "Time Out of Mind - Episode 4: Anne McCaffrey": "...well you'd want to catch a parasite that just burrowed and fed on any living thing, before it hit the ground and there was your rationale for dragons. But you couldn't have small dragons you'd have to have big ones so I decided 35-40ft that seems an economical size". In All the Weyrs of Pern, AIVAS, an artificial intelligence, notes that all of the primary Benden dragons, Ramoth, Mnementh and Canth, are notably larger than Kitti Ping's specified end-size of the dragon species. Newly hatched dragons are the size of very large dogs or small ponies, and reach their full size after eighteen months. Because young dragons grow so fast, their riders must regularly apply oil to their hides to prevent the skin from cracking or drying out.
Dragons, like their fire-lizard ancestors, can breathe fire by chewing a phosphine-bearing rock, called "firestone" in the novels, which reacts with an acid in a special "second stomach" organ. This forms a volatile gas that can be exhaled at will and ignites upon contact with air. The flame is used to burn Thread from the sky before it reaches the ground, but the chewed firestone must be expelled from the body after it is used up, as the dragons cannot digest it.
Psychic abilities Despite their relatively low intelligence, fire-lizards communicate through a form of weak telepathy. They also imprint on the first individual who feeds them after they hatch, creating a telepathic bond with them; the Pernese call this phenomenon "Impression". In creating dragons, Kitti Ping intensified the creatures' telepathy, greatly increased their intelligence, and gave them a strong instinctive drive to Impress to a human. Upon hatching, each dragonet chooses one of the humans present (usually) and Impresses to that person; from that moment on, the pair are in a constant state of telepathic contact for as long as they both live. Dragons also use telepathy to communicate with each other and with fire-lizards. They are capable of speaking telepathically to humans besides their own riders, but not all of them will do so except under unusual circumstances.
Dragons and fire-lizards can also teleport. They do this by briefly entering a hyperspace dimension known as between. Both humans and dragons experience between as an extremely cold, sensory-deprived, black void. After spending no more than eight seconds in between, the dragon or fire-lizard can re-emerge anywhere on Pern, along with any passengers or cargo they carried. This ability is explained as having evolved in fire-lizards as a defense against Thread; not only does it allow them to quickly escape from Threadfall, but the intense cold of between kills any Thread that has already burrowed into them. If a dragon attempts to teleport without a clear mental image of the place where they intend to reappear, they may simply fail to emerge from between and thus, be gone forever.
Going between allows dragons to travel through time as well as space, as long as they have a clear picture of what a particular place looked like (or will look like) at the desired time, but the practice is highly dangerous to both dragon and rider and is severely restricted. Existing in two places at once for extended periods of time, or in close proximity, causes severe weakness and psychological disturbance for humans but not for dragons, the effects of which are discussed in several novels. In addition, while teleporting through space always takes the same amount of time, when a dragon travels through time, the amount of time they spend in between increases depending on how far away in time the destination is. Thus, traveling to remote times poses severe dangers from hypothermia and oxygen deprivation. In the first Pern novel, Dragonflight, Lessa passes out after having travelled back more than four hundred Turns.
The Dragonlover's Guide to Pern states that dragons defecate while between. This idea originated with a statement by Anne McCaffrey herself, in answer to a fan's question about the subject at a fan convention, but McCaffrey may have been joking when she first said this. As the idea has never been referenced in any of the Pern novels (in fact, defecation was mentioned only a few times in all of the books ever written in the Pern series), it cannot be considered definitively canonical. The Skies of Pern references the use of dragon dung as a repellent against the large felines inhabiting the southern continent.
Dragons are also capable of telekinesis, though this ability is unknown and used in an unconscious manner (to augment flight) until it is discovered as a conscious ability by the green dragon Zaranth and her rider Tai in the thirty-first Turn of the Ninth Pass. It is speculated that the undersized wings were intentionally created in the dragons by Kitti Ping to reduce the surface area of a dragon that is exposed to possible Thread injury, and that the telekinetic abilities were intended to make up for the loss of wingsail. It is said in many books that a dragon can carry whatever it thinks it can carry. This is likely an extension of the telekinesis, mentally "lifting" the extra load. This is the most likely explanation for the great loads that dragons sometimes carry during emergencies.
Psychology Unlike their fire-lizard ancestors, dragons are fully sentient. They can communicate fluently in human language (although only telepathically), and have personalities and opinions distinct from those of their riders, but their intelligence does seem to be somewhat lower than that of the average human. In particular, their long-term memory is severely limited.
Dragons' telepathic communication is usually limited to contact with their rider and with other dragons, but a dragon sometimes communicates well with a person with whom their rider has close emotional ties. They do understand spoken human language and occasionally reply telepathically to people whom they choose to speak.
As a safeguard against the possible damage that could be caused by such powerful creatures, Ping engineered dragons to be profoundly psychologically dependent on their riders. Any dragonet that fails to Impress to a human shortly after hatching will die. If a dragon's rider dies, the dragon immediately suicides by going between without a destination. The only exception is when the rider of a queen dragon dies while the queen is gravid; the dragon waits just long enough to lay her eggs and see them hatch before disappearing between. Humans who lose their dragons typically commit suicide as well, but some do survive, although the experience leaves profound psychological trauma.
Ping also designed the dragons to be fairly calm in temperament. They never fight one another, unless two queens come into estrus at the same time. They are also not dangerous to humans except shortly after hatching, when it is common for confused and frightened dragonets to maul or even kill humans hoping to Impress.
When a dragon hatches, they announce their names to their new riders upon Impression. Pernese dragons' names always end in -th, while a watch-wher's name will end in "sk".
Colors In Pern novels, barring rare mutations, female dragons and fire-lizards are always either green or gold in color, while males are blue, brown or bronze.