A sentient species, found on M-113. They lived on Sodium Chloride [NaCl] and could cause someone to see who they wanted to see.
A virus found in the Delta Quadrant that was approximately the size of a large bird.
An ancient advanced species that created a race of androids (found on Mudd's Planet).
An unknown species destroyed by the space probe NOMAD.
MARJINE VII BEINGS
Sentient subspace life-forms who communicate by direct access of thoughts.
A race of formless energy, usually light. They are excellent navigators. However, if a humanoid sees them in their true form, the humanoid goes insane.
A reclusive non-human species that is telepathic and make have the ability to create illusions.
Creature who is solid when at rest and gaseous when in motion.
A highly advanced civilization which may appear human. They have great powers and are several thousand years ahead of Terrans.
A subatomic lifeform that feeds on metal found in starships.
A silicon based life-form, found on Velara III. They feed on light and live in water.
A liquid metallic lifeform that can duplicate carbon based life-forms. They were found on the Demon Planet in the Delta Quadrant.
The first sentient hologram. It was created by the computer of the starship Enterprise.
A race of non-corporeal beings composed of sporocystian energy. The race devastated the environment of Ocampa and stayed to cared for it. Two members of this race were the Caretaker and Suspiria.
An extra-dimensional being with enormous curiosity.
A submicroscopic cybernetic life-form.
NITRIUM METAL PARASITES
Microscopic spaceborne parasites that eat nitrium and convert it into a simple molecular gel.
NUCLEOGENIC CLOUD BEING
A nebula-like life-form found in the Delta Quadrant.
OLD ONES (1)
A long deceased civilization from Exo III that created a race of androids, which eventually killed them.
OLD ONES (2)
Leaders of the race represented by the beings Korob and Sylvia.
An unusual life-form found in a Galactic Cluster.
A serpent-like creature used by the Devidians in their energy exchange.
Powerful non-corporeal beings that forced a peace treaty between the Federation and the Klingons.
An evil race of energy beings who originated from the Bajoran wormhole. They were cast out of it by the Bajoran Prophets.
A race of the energy beings living inside the Bajoran wormhole. They maintain the wormhole's existance.
A non-corporeal life-form discovered in a protostar in the Delta Quadrant.
A race of omnipotent beings, which can appear in any form.
QUANTUM SINGULARITY LIFE-FORM
An intelligent race of beings from a different time-space continuum. They incubate their young in a black hole.
Life-forms found in the plasma streamer in the Igo Sector.
A non-corporeal life-form that feeds on fear and terror. It is also known by the names Kesla, Beratis and Jack the Ripper.
An R-3 type life-form. They are very reclusive and territorial.
An artificial life-form created by cybernetics genius Dr. Noonien Soong.
A small sightless intelligent life-form that bonds with Trills.
Non-corporeal life-forms from the planet Thasus.
A non-corporeal life-form who was probably a child. He took human form and demonstrated almost godlike powers.
TRIANIC ENERGY BEINGS
Non-corporeal life-forms known as the Komar, who live in a dark matter nebula.
TROI, IAN ANDREW
A non-corporeal entity that impregnated Deanna Troi and took human form to experience the human condition. He aged quickly and returned to non-corporeal form when his radiation threatened the Enterprise.
Life-forms from a two-dimensional spatial continuum. They are attracted to cosmic string fragments.
A biological species that has gaseous xenon instead of carbon as it's basis for life. They are found in the Delta Quadrant.
A race of sentient holographics life-forms.
A humanoid species in a process of transformation into a non-corporeal species.
The life energy that comprised the thoughts and wills of the last living beings of the planet Zetar.