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Intelligent Lifeform Index

Image of an Ariolian
Four Letter Code ARIO
Federation Status Member
Planet of Origin Fillandia
Encountered Star Trek IV
T/E Rating T0/E0
Current Tech Level M
List of Named Ariolos

Full ILI GalleryPermitted Species Gallery


  • Proper Name: Ariolo
  • Plural: Ariolo
  • Pronunciation: Ari'Olo
  • Adjective: Ariolian

Home System

  • Quadrant: Beta
  • Location: Pov'iris Sector (coordinates B24-0002-1303)
  • Proper Name: Filland
  • Pronunciation: Fill'and
  • Star: Class M (Red) star

Home World

  • Proper Name: Fillandia
  • Pronunciation: Fill'and'ia
  • Distance from Star: Approximately 382 million km
  • Position in System: 4th of 6 planets
  • Diameter: 10,677 km (6,673 miles)
  • Gravity: 0.93 standard gravity with a density of 6.1
  • Axial Tilt: 9%, minor seasonal effects (less than Earth)
  • Orbital Period: 402 days
  • Rotational Period: 26.5 hours
  • Classification: M
    • Surface Water: 47%
    • Atmospheric Pressure: 0.98
    • Atmospheric Composition: 73% nitrogen, 23% oxygen, 4% other
    • Climate: Temperate to cool
    • Predominant Biomes: Steppes, mountains, tundra.
    • Population: 1.04 billion


Ariolo society on Fillandia began thousands of years ago [1], as evidenced by scattered tombs and other burial sites. Few written records and fewer buildings have been discovered from those times as the early Ariolo were nomads, and a great many still are[2]. Most major societal and technological developments were thus discovered and used on the move. Over time, some Ariolo communities created fixed settlements, especially towards the Fillandian equator where serious, large-scale agriculture is possible. The bulk of the population never settled, however. Mechanisation spread slowly through the settled nations, with only the most portable and useful developments reaching the nomads. Despite the peculiarities of the world and its inhabitants, Fillandian history is largely similar to many Federation worlds: periods of war, exponential increases in technological advancement and an eventual space program. The first alien species the Ariolo met were Ferengi traders, who (not bound by a Prime Directive or anything similar to it) were eager to trade with the Fillandians, giving them advanced technology in return for a large shipment of trillium. A decade or so later, Pre-Federation Tellarite explorers detected transmissions from Fillandia, after which the Filland and Tellar systems slowly became close friends. Due to their treaties with the Tellarites, the Ariolo were among the 'second wave' of worlds who joined the Federation relatively soon after its founding.

In 2285, the Ariolo were represented by two ambassadors to the Federation Council. [3] Ariolo who left Fillandia upon the advent of easy and safe space travel tended to do so in large groups, with most of these companies hailing from the nomadic communities, seeking quieter worlds to colonise. In the 2380s, an Ariolo population was present on the unaligned world of Tulgana IV. [4]


Ariolo society and government are highly interlinked. Every citizen of the central Ariolo authority (and thus the vast majority of the world's inhabitants) can be considered to be a member of the government, with positions being granted based on merit.


Ariolo have tough hides that are usually a dark grey, green or brown in colour. They have angular heads that slope upwards from a low forehead to the rear of the cranium. The jaw is angled down so that the mouth, which reverses the angular pattern to slope upward away from the line of the jaw and forehead, protrudes slightly away from the face. [5] From the waist down they have centaur-like torsos. Supporting their bodies are four legs that, each ending in a foot covered with even thicker leathery skin, closely resembling the foot of a Terran camel. [6] Many Ariolo prefer to wear sweeping, dark-coloured robes. As decoration they wear metallic badges or symbols that reflect their position and authority within their society. Many also wear hooded cloaks covering the back half of their head. Nomadic Ariolo also typically carry large, heavy packs filled with their possessions (mainly portable camping equipment, small electronic devices and little keepsakes).


Ariolo possess close analogues of each human organ, although most operate in a distributed system of at least a pair: for instance, Ariolo have both a large heart in their lower bodies and a smaller, secondary heart in their chest. In many cases this system allows for redundancy should one organ fail, and as a result they tend to be very healthy. They also have an extremely aggressive immune system, although this is sometimes a mixed blessing leading to (among other problems) a far higher transplant rejection rate.


Ariolo place great cultural emphasis on acting rationally, and so tend to be able to take situations as they come and remain calm. Unlike Vulcans, however, Ariolo do not suppress their emotions but rather delay them, most prefering to experience and analyse their post hoc emotive responses in private. Most Ariolo are ever-eager to appear competent and useful, and greatly value competence in others. In fact, romantic attraction between Ariolo is often rooted in admiration for the other's achievements and skills. While placing great stock in professional opinion, Ariolo are not unquestioning drones and generally unforgiving of proven incompetence. [7]


Fillandian society has no state religion, with the official stance being that religion is unscientific. This does not stop individual Ariolo from possessing different beliefs, although most that do practice do so quietly. Alien religions, or at least the stories which form their basis, are surprisingly popular among offword Ariolo.


Early Ariolo history is mostly rembered through sagas and songs, and more than some of the events featured in these tales are clearly fantastical. In addition, most Ariolo enjoy well-crafted fiction, often leading to fictional characters becoming very well known in Ariolo society.


Ariolo society is very rigid, having developed as a neccesary survival mechanism for a nomadic group. Every Ariolo is expected to work for the betterment of their people, and Fillandia as a whole. However, Ariolo society is generally collectivist rather than nationalist, with the emphasis being placed on mutual support and shared effort. A growing number of Ariolo have come to see the Federation as a greater-scope collective, a shift in culture which has led to their carrying out missions of humanitarian aid.


Along with story-telling, many Ariolo have a keen respect for music. At one point the Ariolo had a reputation as being among the greatest musicians in the Federation. [8] Most Ariolo are moderate in their habits and do not eat or drink to excess, apart from during the ten day annual celebration marking the coming of spring (offworder observation of the festivities caused the Ariolo to gain a possibly unfair reputation as hedonists). Ariolo 'artwork' is characterised by the creation of tools and other everyday objects, their beauty being derived from elegance of form and robustness of function. The only traditional fixed form of art pursued by the Ariolo is that of architecture. Almost all buildings, structures, facilities and furniture boast smooth, flowing lines, and most are patterned with curving and sweeping geometric designs. Corners are practically unheard of in Ariolo construction.


Most Ariolo youths look forward to their Age of Maturity, a mixed celebration and examination after which they become official adults. At this time every citizen undergoes an extremely detailed and complex set of testing, including mental, physical and genetic elements. On average, this process takes place over the course of five days in sixteen hour sessions. When the process is complete completion, the new adult is provided with a list of professions their natural abilities makes them best suited to perform, after which they will select one to enter as an apprentice. The Ariolo word for this profession is then added to their name, meaning that Ariolo adults typically bear a forename name given by their parents and a surname provided by their society. A suggested mate can also be provided as an output of this process, although there is no stigma associated with either choosing not to learn or ignoring this additional result.


Ariolo tend to be conservative when it comes to technical developments, preferring proven and reliable designs to flashy new models. Many of the devices used by the nomads are by necessity small and easy to carry and maintain. Their nonstandard physiology has caused difficulties in adapting certain technologies for Ariolo use, and the Ariolo themselves are typically slow to develop alternatives. Continuing contact with the Ferengi has led to their use of many Ferengi-made devices, including widespread adoption of subdermal Universal Translators in the inner ear. [9]


Fillandia has an excellent trade system with many of the member worlds of the Federation, being one of the main exporters of trillium. Generally, buyers come to the world and transport the goods themselves, although the Ariolo do construct freight vessels in moderate numbers. These ships are characteristically large and slow, bearing vast crews and essentially acting as mobile cities. [10] Some of these freighters trade with non-Federation powers, most notably the Ferengi.


Fillandia has no standing military force, and relies on the Federation for defence. The selfless actions of Starfleet are greatly admired by many Ariolo, and joining the organisation is widely seen as a respectable (if rare) career. A police force is based on the world, although in modern times most of its activities are directed against wayward offworlders: particularly trillium smugglers.

Federation Intelligence Files

For more data see Federation Intelligence Files ENT-4444-0124.


  1. "Tagia Jutto: Background", Starbase 118 Wiki
  2. "Tagia Jutto: Background", Starbase 118 Wiki
  3. "Ariolo", Memory Alpha
  4. "Ariolo", Memory Alpha
  5. "Ariolo", Memory Alpha
  6. "Ariolo", Memory Alpha
  7. "Tagia Jutto: Personality", Starbase 118 Wiki
  8. "Ariolo", Memory Alpha
  9. "Tagia Jutto: Career History", Starbase 118 Wiki
  10. "Tagia Jutto: Career History", Starbase 118 Wiki

Content from this article may have
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Memory Alpha

This profile was revised by the Species Development Committee.
REV 240010.03
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