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Intelligent Lifeform Index

Four Letter Code YDRN
Federation Status Overrun by the Dominion
Planet of Origin Somewhere in the Gamma Quadrant
Encountered DS9: "Shadowplay"
T/E Rating T0/E0
Current Tech Level N
List of Named Yaderans

Full ILI GalleryPermitted Species Gallery


  • Proper Name: Yaderan
  • Pronunciation: Yad'er'an

Home System

  • Quadrant: Gamma
  • Location: Tilis Abis Sector
  • Proper Name: Yadra
  • Pronunciation: Yad'ra
  • Star: It orbits a class G (Yellow) star
  • Distance from Star: it's orbit is approximately 188 million km
  • Companions: It is the 1st planet in the system

Home World

  • Proper Name: Yadera Prime
  • Pronunciation: Yad'er'a Pr'ime
  • Diameter: 12,289 km (7,636 miles)
  • Gravity: 0.996 standard gravity with a density of 5.7
  • Axial Tilt: 18%, minor seasonal changes
  • Orbital Period: 291 days
  • Rotational Period: 21 hours
  • Classification: M
    • Surface Water: 64%
    • Atmosphere: 1.02 is a standard pressure with 75% nitrogen, 23% oxygen, 2% trace chemicals
    • Climate: Warm semi-tropical islands along the central part of the planet.
    • Population: Just over 800 million


The Yaderans are a humanoid species from the Gamma Quadrant. In 2340, their homeworld, Yadera Prime, was conquered by the Dominion.


As best as it can be determined they have no say in their own government and are controlled completely by the Dominion and their system of government.


As evidenced by their holographic recreations discovered in 2370, this mostly humanoid and gentle people reflect Terran norms, with distinctive architecture and a yen for light-coloured clothing fabrics.


While little is known about their physiology an examination of their holographic recreations would seem to indicate that outwardly they are very similar to terrans, with a wide range of body shapes, sizes and other distinctive characteristics.


Unknown at this time.


Unknown at this time.


Unknown at this time.


Unknown at this time however it is believed that holographic recreation must be a significant aspect since they are considered experts in its use and creation.


Not much is know at this time however since they are experts in the use and creation of holographic technology we can naturally assume that holographic recreation forms a significant part of their relaxation time.


Unknown at this time.


They are experts with holo technology. This technology emits Omicron radiation. Otherwise they seem to be at a normal level of development for a civilization controlled by the Dominion.


All indicators seem to reflect that they have a strong economy. As a part of the Dominion they would have automatically been trade partners with most of the other civilizations controlled by the Dominion. This seems to have resulted in a healthy and economically beneficial symbiosis.


At this time they have no military of their own and no records could be found to reflect the existence of a military force prior to their occupation by the Dominion. The Dominion did keep a token force on the planet but there is no indication that this resulted in any unrest.

Federation Intelligence Files

See Federation Intelligence Files # DS9-2370-8632 for more information.

This profile was revised by the Species Development Committee.
REV 239103.21
Please add any new information discovered during the course of a mission or shore leave.