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For the mirror universe counterpart, see Caitian (mirror).

The Caitians were a species of felinoids native to Cait, or as they called it, Ferasa. They also settled on a number of colony worlds and were members of the United Federation of Planets. (Decipher RPG module: Starfleet Operations Manual; ST reference: The Worlds of the Federation; FASA RPG module: The Federation)

The Last Unicorn Games RPG books used the name "Regulans" for felinoids that were implied to be this same species, or an offshoot thereof.

History and specifics


Caitians were a bipedal species, with height comparable to Humans and taller, and feature a thick orange mane, a tail, and large golden eyes which gave them excellent night vision. Their fur ranged in color from tan to reddish-tan. They also had excellent hearing with a frequency range beyond that of most humanoids which made them ideal candidates for communications officers. Caitian voices often resembled the purring of Terran cats. (ST reference: The Worlds of the Federation; FASA RPG module: The Federation)


Caitians had a reputation for being one of the most cooperative and intelligent members of the Federation. (ST reference: The Worlds of the Federation)

Caitian names did not follow a gender pattern, so no name was distinctively male or female. (Decipher RPG module: Starfleet Operations Manual)

Caitian culture emphasized a love of beauty and a focus on personal loyalty. Loyalty, both within the individual and between individuals, was highly prized by all Caitians. The interlocking individual and clan relationships that existing in their society were the main cause of this focus on loyalty. Most Caitians preferred a vegetarian diet and were not carnivorous. (FASA RPG module: The Federation)

The Caitians were fierce warriors when so called upon, but pride themselves on their accomplishments in arts and philosophy rather than on the martial arts. Their family units are extremely close. (ST website:


A male Caitian, Admiral S'rrel.

The Caitians were believed to be the descendants of an ancient Kzinti colony. (ST reference: The Worlds of the Federation) They actually shared the same common roots, comparable to Vulcans and Romulans. (ST website:

In FASA RPG module: The Federation, Caitians are said to have evolved from creatures similar to Terran felines.

They made first contact with the Orions and the Ferengi, and met Federation ships for the first time in 2249. Within a few years, such good relations existed between the cultures that they entered the United Federation of Planets. (Decipher RPG module: Starfleet Operations Manual)

Four other planets in the Federation had Caitian populations: Havelind, Hochlor IV, Macadarna, and Narval (Whether they were colonized by the Caitians before joining the Federation or after is unknown. Regardless, all four were either full-status members or associate-status members of the Federation). Also, Caitians composed 35% of Riviera's population (with the remainder being: Human 30% and Other 35%) and 15% of Commissariate's population (with the remainder being: Andorian 35%, Vulcan 20%, Human 15%, and Other 15%). (FASA RPG module: The Federation)

By 2363, Caitains had also settled on the planet Kirisha, near the Alpha Persei Cluster. This planet was near the outer borders of the Regnancy of the Carnelian Throne. A brief war broke out over the Caitains' reluctance to become "slaves" of the Carnelian Throne. When the unusual Carnelian use of the word "slave" was understood, the Caitain colonists agreed to become Cohorts of the Throne. (TNG novel: The Buried Age)

In 2370 a party of Caitains visited Deep Space 9 to witness the Illumination of The Prodigal. (DS9 novel: Devil in the Sky)

In 2385, two Caitians were serving aboard Deep Space 9, with one being Grenner P'Tross. (DS9 novel: Sacraments of Fire)

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Known Caitians

A 25th century Caitian.


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