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Planet: Argelius II. Despite the hedonistic nature of the natives of Argelius II, their planet has long been known as a friendly shore-leave spot for Starfleet — even after the murderous Redjac entity...
Also known as Kzin, the Kzinti are a race of sentient feline carnivores native to the planet Kzin. Kzinti are highly sexually dimorphic, at least in terms of intelligence; only the males are sentient,...
A six-legged creature with purple fur, a long tail, and yellow eyes and claws. About the size of a medium-size dog, the Rigelian hypnoid can project simple illusions, and speak. In 2269 (stardate 4978.5)...
A giant monster seemingly made of brown stone, the "rock creature" is encountered on an uncharted planet by Captain Kirk, Mr. Spock, Nurse Chapel, and conman Harcourt Fenton Mudd in 2269 (stardate 4978.5)....
The race of sentient humanoids living beneath the waters of the planet Argo are unknown to the Federation prior of 2269. When the crew of the U.S.S. Enterprise investigates the world, its officers interact...
Giant creatures that resemble slugs, the orange Lactrans each have individual reddish markings on their backs and faces. They have two yellow eyes and a trunk which ends with three grasping tentacles....
A tripodal, polytheistic race from the planet Edos. An Edosian has three legs, three arms, and three fingers on each hand and foot, with orange skin and a bony face. Lt. Arex is Edosian. Edosians are...
Sentient plant people native to the planet Phylos, the Phylosians of the twenty-third century are heirs to a civilization that is long past its prime — a civilization they wish to see restored to its former...
Test animals used in the medical laboratories of the U.S.S. Enterprise in 2269. Because these small, rodent-like extraterrestrial creatures are nearly transparent and are extremely sensitive to changes...
Alien fish that bear a resemblance to terrestrial angelfish, except for the bright halo of multicolored light they emit. Because halo fish lose their colorful illumination in response to any change in...
A race of avian creatures, the Skorr are a fierce and proud race who were once great warriors with advanced military technology and the ability to breed vast armies rapidly. According to Vulcan estimates,...
Because Pandronians are hatched from eggs, Commander Ari bn Bem compared himself to an "eggling" — a newly hatched Pandronian youngster — to express how humbled he felt on stardate 7403.6 (2270) in the...
Planet: Bajor Humanoid race, distinguished outwardly only by extra wrinkles at the bridge of the nose, have wandered the galaxy and settled on various worlds ever since their homeland was occupied by...
Planet: Cardassia Tall, long-necked, humanoid in appearance, marked by several bony protrusions and ridges: one from the shoulder to under the ears, whose bottom lobes in turn are more pronounced forward...
Origin: Gamma Quadrant Little is known about this strange race. They call themselves Changelings, a name adopted from others' use. The Changelings are the highest order in a Gamma Quadrant faction known...
The homeworld of the Ferengi species is Ferenginar. The Ferengi have a culture which is based entirely upon commerce. They follow a code of conduct known as "The Ferengi Rules of Acquisition." These rules...
Origin: the Alpha Quadrant. An alien species which took an early scientific interest in the discovery of the Bajoran wormhole near the Deep Space Nine space station. This species has also conducted trade...
Origin: Bajoran wormhole According to Bajoran religious doctrines, the prophets are the spiritual protectors and guides to the Bajoran peoples. Throughout Bajoran history, several unusual objects referred...
Only 300 symbionts are available for hosting each year on average. If a host is weak, the personality of the symbiont will overwhelm it. Unless its current Joined Host objects, a prospective Host may request...
Planet: unspecified. Commonly seen in Federation faciliities such as DS9. A dull brown-skinned race with pointed upswept ears and a long, trunk-like, fleshy protrusion from the back of the skull with a...
Origin: unknown planet in the Gamma Quadrant. A humanoid race who live to pursue the Tosk in an endless life-and-death hunt, never contacted again after a single incident on DS9 in 2369 soon after the...
Origin: Gamma Quadrant A reptilian race, bred by unspecified eugenicists to enjoy being hunted and provide as exciting and interesting a chase as possible. They live only to outwit their Hunters until...
Planet: name unspecified. A tall, facially-wrinkled, white-skinned, mute, humanoid species, many members of whom can be found working for important Ferengi officials because the Hupyrians have a wide-spread...
Planet: name unspecified. A race (pronounced "MEER-a-dorn") in which all are twins who make up a single self as two halves of one being — a "quarrelsome people," according to Quark. Natives are marked...
Planet: Rakhar, Gamma Quadrant. Humanoid race distinguished by heavy ridges down the nose and full heads of bushy hair. Aware and unafraid of space-farers, they cared little about outside contact through...
Origin: Gamma Quadrant. An ancient race (pronounced "sul-tu-NAW") that was entirely destroyed by a massive power struggle. The events were described in a telepathic archive contained in energy spheres...
Planet: Arbaza A humanoid race (pronounced "ARR-buh-zahn"), mostly distinguished in appearance by a high forehead hairline. The word is used as both the adjective and with "the" as the noun for the natives....
Members of this unspecified humanoid species distinguished by white, shaggy hair and a beak-like mouth continuing up into a Klingon-like forehead ridge are seen frequenting DS9. One wealthy native was...
Planet: Bolarus IX A Federation race of humanoids, most distinguishable in appearance by the narrow yet distinctive ridgeline running at least from over the skull from the spine to the nose and down the...
Planet: Liseppia. A humanoid, non-aligned space-faring race distinguished by finger-like projections from the chin downward and a large, hard-skinned bare head with a pattern of ridges radiating out from...
Origin: Federation colony near station Deep Space 9 and the Bajoran system. Contacted via subspace link under the orders of science officer Jadzia Dax in 2369, in an attempt to rescue the station's computer...
Planet: name unspecified. A space-faring humanoid people of a low-gravity world; only a handful have ventured off-planet, requiring the use of anti-grav wheelchairs whenever they leave. They have some...
Planet: Invernia II. Apparently humanoid species (pronounced "ihn-VUHR-nee-ahnz") and linked to the United Federation of Planets by treaty, possibly as members. A native girl about 10 died while a young...
Origin: Gamma Quadrant A mighty planetary alliance or trading consortium in the Gamma Quadrant, at first unknown to most beyond the wormhole. Composed of "hundreds" of dominated races, the major political,...
Reptiloid race of the Gamma Quadrant and client states to the Dominion who are profit-driven like the Ferengi but, in stark contrast, tend to violence. Known to Zek for its tulaberries and wine, and as...
Origin: Gamma Quadrant. A matriarchal humanoid Gamma Quadrant race dominated for 800 years by the T-Rogorans and forced to work as laborers and servants until the captors themselves were conquered by the...
Origin: The Gamma Quadrant. A character in a Yaderan tale retold by Taya to Constable Odo, somewhat reminiscent of the Terran Hindus' "Brahman and the Tiger." After powerful displays of morphing into a...
Bajorans, Mirror Universe
Planet: Mirror Bajor. The Bajorans in this continuum are a member of the Klingon-Cardassian Alliance, and as such have control of Terok Nor. Even these confident and self-assured Bajorans take time out...
Cardassians, Mirror Universe
Planet: Mirror Cardassia. Cardassians would still seem to harbor the same attention to detail as ever in the Mirror Universe, where they likewise seem as efficient as always, whether in killing or administrating....
Klingons, Mirror Universe
Planet: Mirror Qo'noS. Klingons are still ferocious and stout warriors in the Mirror Universe, where they have entered in to an Alliance with the Cardassians there after defeating the Terran Empire — mostly...
A space-faring race known for its "magnificent sweaters," in Garak's opinion, and a cultural refusal to acknowledge the concept of time — perhaps the reason its freighter is late one day at Deep Space...