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This page features the Rigelians. You may also be looking for the reptilian species known as the Rigellians.
United Federation of Planets logo.png RigelianUnited Federation of Planets logo.png
Rigel V
United Federation of Planets
Average Male Height:
165 cm (5 ft. 5 in.) to 196 cm (6 ft. 5 in.)
Average Male Weight:
63.5 kg (140 lb.) to 108.9 kg (240 lb.)
Average Female Height:
165 cm (5 ft. 5 in.) to 196 cm (6 ft. 5 in.)
Average Female Weight:
63.5 kg (140 lb.) to 108.9 kg (240 lb.)
Minimum Academy Age:
Life Expectancy:
Distinctive Features:
PRC Rated:
NPC Rated:

A male Rigelian ambassador, 2155.
A female Rigelian ambassador, 2155.
A Rigelian "kidnapper" on Earth
A 24th century Rigelian freighter

The Rigelians are a humanoid species who inhabit the planet Rigel V.


They are known to share a similar internal physiology with Vulcans and Romulans. These similarities, notably to Vulcans, include similar blood chemistries. Rigelians also shared a similar neurology to Vulcans and Romulans, as they too suffered from the neurological disease known as Tuvan Syndrome.

History and politics

Relationships with other species

During the 22nd century, the Rigelians maintained relationships with several Alpha and Beta Quadrant species. By the 2150s, it was not uncommon to find a Rigelian visiting Earth.

In 2154, an Andorian and two Rigelians were attacked on Earth in a wake of xenophobia after the Xindi incident.

Later that year, three Rigelians visiting Earth, who were working for the Klingons, attacked and kidnapped Dr. Phlox from the streets of San Francisco. They later transfered him via a Rigelian freighter to a Klingon ship. The Rigelian kidnappers and their ship were later destroyed.

In early 2155, the Rigelians participated in talks discussing their wish to join as a possible member in the Coalition of Planets along with Humans, Tellarites, Andorians, Coridans and Vulcans. During the negotiations, six of the Earth universal translators experienced a "glitch" and started confusing the Rigelian language with Andorian language.

Trade and commerce

Rigelian commerce was regulated by the Rigelian Trade Commission during the 22nd century.

In 2154, a Rigelian scoutship fell victim to an attack by a Romulan drone-ship disguised as the Earth starship Enterprise in order to destabilize the sector. Recognizing the vessel, the Trade Commission contacted Star Fleet to demand compensation for the lost of their vessel and the arrest of Jonathan Archer.

The Rigelians continued to independently operate their own freighters during the 24th century. In 2369, one of these freighters docked at Deep Space 9 prior to its mission to the Gamma Quadrant.

Medical achievements

The Rigelians were responsible for developing a unique gene therapy technique that was capable of curing medical conditions such as Taggart's Syndrome.

During the mid-2260s, an experimental chemical stimulant designed to speed up the reproduction and replacement of blood in the bodies of certain species was developed that was successfully tested in Rigelian test subjects on Rigel V. Although the side-effects included tremendous strain on the spleen and the liver, it was later discovered by Doctor Leonard McCoy to be a viable treatment for producing Vulcan T-negative blood.

This information taken from Memory Alpha