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Intelligent Lifeform Index

Image of an Atrean
Four Letter Code ATRE
Federation Status Member
Planet of Origin Atrea IV
Encountered TNG: Inheritance
T/E Rating T0/E0
Current Tech Level N
List of Named Atreans

Full ILI GalleryPermitted Species Gallery


  • Proper Name: Atrean
  • Pronunciation: At're'An

Home System

  • Quadrant: Beta
  • Location: Zor Vin Sector (coordinates B25-0001-1297)
  • Proper Name: Atrea
  • Pronunciation: At'rea
  • Star: It orbits a class K (Orange) star
  • Distance from Star: it's orbit is approximately 386 million km
  • Companions: 9 other planets. It is the 4th planet in the system

Home World

  • Proper Name: Atrea IV
  • Pronunciation: At'rea IV
  • Diameter: 13,747 km (8,592 miles)
  • Gravity: 1.04 standard gravity with a density of 5.3
  • Axial Tilt: 11%, with minor seasonal variations
  • Orbital Period: 423 days
  • Rotational Period: 30 hours
  • Classification: M
    • Surface Water: 53%
    • Atmosphere: 1.07 is a standard pressure with 72% nitrogen, 21% oxygen, 7% trace gases
    • Climate: Mild temperate with polar caps
    • Population: Just over 15 billion


They have had a fairly stable history with no major wars or disasters. A unified people almost from the start they developed slowly but surely. The mild weather and good growing conditions resulted in a steady population growth. It has only been in recent years that they learned that their planet was endangered by the severe cooling of the planet's molten core. Atrea IV recently underwent a ferroplasmic infusion to re-liquefy its solidifying core, which was causing massive seismic, magnetic, and gravitational disruptions. The USS Enterprise-D was able to stop the problem for a couple generations.


They have a unified government that is elected by the people.


Atreans are characterised by skin involutions in the temporal region of the cranium that fuse with enlarged ears. Other than that they appear to be basically human in appearance. While they all tend to have a pale skin tone, hair and eye color does vary greatly. The men have short hair and the women tend to grow it down past their shoulders. Most citizens tend to be fairly healthy with few cases of obesity. On the average they tend to be 5'5" to 6'1" although some may be shorter and a rare few taller.

The males usually wear a single shirt/jacket over a pair of pants. These will be a pale color, usually earth tone or cream in nature. The females wear slightly brighter shades and a wider mix of garments.


While they may appear to be human they are completely different when it comes to their physiology. This is very evident with only a basic examination of their medical data. They have a 5 valved heart that pumps a pale yellowish plasma rich in oxygen. Their hearing is excellent with a greater range and distance perception than most species.


As a species they tend to have very few cases of mental instability except among the very old.


They have developed a fairly passive spiritual belief in reincarnation and the slow evolution of the spirit. This belief while a strong part of their culture tends to be unspoken and requires few ceremonies. One of the few is the grand send off, a extremely structured and detailed funeral that is considered a private affair attended only by family and friends.


No known mythology.


They are a close knit society with small communities working together for the betterment of the entire community. In large cities this is still evident in the various districts and gated communities that form each cities residential areas.


Atrean culture is one based on electronic entertainment.


While they do have a number of unique customs they do not affect outsiders or visitors to their world. They tend to only be used among themselves and even then it is not really that evident.


While not one of the most advanced technological species within the Federation they do excel at entertainment technology. Almost a quarter of every holodeck in use in the Federation was built by them. They also create a wide range of holo-programs including some of the most user friendly create your own programs available.


They have a very strong and highly developed industrial economy. They are completely independent and export a large amount of goods and foods. They tend to import raw materials and a few luxury goods that they either can not create themselves or that is in short supply.


They have never had any formal military but those members of their species that have joined Starfleet have almost exclusively become members of the fleet and avoided the marines almost completely.

Federation Intelligence Files

See Federation Intelligent File END-2313-6424 for more data regarding the revitalization of their planetary core.

Content from this article may have
come partially, or entirely from
Memory Alpha

This profile was revised by the Species Development Committee.
REV 239601.12
Please add any new information discovered during the course of a mission or shore leave.