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The mugato (alternatively pronounced mogatu, mugatu, mugutu, or even gumato) was a large horned ape-like carnivore, native to regions of the planet Neural, that had the "strength of ten men" and a bite that was venomous to most humanoids. (TOS: "A Private Little War"; LD: "Mugato, Gumato")


In 2255, Lt. James T. Kirk visited Neural on a planetary survey and mentioned the mugato in his report.

Thirteen years later, Kirk, then a captain, returned to Neural and was bitten by a mugato. Dr. Leonard McCoy vaporized the attacking mugato with his phaser and a local kahn-ut-tu woman, Nona, was able to heal Kirk with a ceremony. Later, the mugato's mate attacked Kirk and Nona, and Kirk killed it with his phaser. (TOS: "A Private Little War")

According to Commander Jack Ransom, at some point prior to 2380, "horned gorillas, sentient tar, [and] spores that make you hook up with your best friend's sister" were all types of disasters that he had personally experienced on away missions that should have been a walk in the park. (LD: "Temporal Edict")

Noted collector Kerner Hauze had a mugato skeleton in his collection at the time of his death in 2381. (LD: "Kayshon, His Eyes Open")

Mugato horns

A collection of illegal mugato horns on the black market

That same year, two Denobulan researchers on Frylon IV were attacked by a mugato. Starfleet sent the USS Cerritos to investigate. The crew discovered a group of Ferengi poachers, led by Kynk, who were imprisoning and killing the mugatos, to illegally sell the endangered species horns. After an initial conflict, Ensigns Brad Boimler and Sam Rutherford convinced the Ferengi that it would be more profitable to keep the mugatos alive in a preserve, named Kynk's Mugatoland. (LD: "Mugato, Gumato")

Mugato photo

Conspiracy theorists' mugato photo

A photograph of a Mugato was depicted on the conspiracy board at the truthers recruitment booth on Tulgana IV in 2381. (LD: "Reflections")


Mugato skeleton

Mugato skeleton

Mugatos were large, intimidating animals that could reach a height of two meters (not including their horns). Covered by a thick pelt of white fur all over their bodies with the exception of their faces and hands, they were similar to the great apes of Earth in their physical proportions and prehensile hands and feet. Mugatos had large, thick horns projecting from the top of their craniums as well as smaller spikes running down the spine, which lead to a large tail. (TOS: "A Private Little War"; LD: "Kayshon, His Eyes Open", "Mugato, Gumato")

Mugatos were known to attack humanoids. The Mugato would wrestle a person to the ground in order to bite it and inject its poison. All of their teeth were sharp and serrated and their fangs contained a strong venom that was fatal to Humans and inhabitants of Neural alike within a matter of hours. Mugato venom was a toxin that attacked a humanoid's nervous system. Death was slow and could take several hours. 23rd century Federation medicine knew of no antitoxin for the poison of a mugato bite; however, the kahn-ut-tu knew of a means that involved the mahko root and their own blood. (TOS: "A Private Little War") By the 24th century, Federation medicine of this era could treat mugato bites, at least if the venom had been sucked out of the wound. If riled enough, they could also simply devour a humanoid's entire head, removing it from the neck in one bite. Likewise, they may also use their horns to gore a threat. (LD: "Mugato, Gumato")


Two mugatos mating

Mugato genitals were sensitive to phaser fire. (LD: "Mugato, Gumato")

They usually traveled with their mates. (TOS: "A Private Little War")

Mugato stroking his horn

A mugato on Frylon IV

When a male mugato encountered two others mating, he might challenge the other male to establish dominance, or he might prefer to watch the mating pair. After the mating was complete, the mating pair and watcher were likely to fall asleep. (LD: "Mugato, Gumato")


See also[]


Background information[]

Originally called a "Neuralese Great Ape" in the first draft script, dated 7 August 1967, the Mugato finally became the "Gumato" in the later drafts script; however, DeForest Kelley could not pronounce the name correctly and it was changed. Both Kelley and William Shatner pronounced the name as "Mugatu" all the way through the episode, and Mugato is still frequently spelled Mugatu in various sources such as The Star Trek Compendium. In the end credits of "A Private Little War", Prohaska receives credit as "Gumato". The Star Trek: Lower Decks episode "Mugato, Gumato" made the fact that the ape is known under several slightly different names canon.

Gorboona aka mugato

Lucy gets a hug from the "gorboona".

The Mugato costume was created and performed by Janos Prohaska. It is believed that Prohaska also used the costume for the "Fatal Cargo" episode of Voyage to the Bottom of the Sea, without its head horn or back spikes (DVD season 4, volume 1), and in Season 1, Episode 22, "Lucy's Safari", of Here's Lucy. The Star Trek Encyclopedia, 4th ed., vol. 2, p. 57 noted Prohaska had designed and built the mugato from an ape suit he had previously built for another project.

A Mugato appears on the cover of A Child's Garden of Lifeforms in Our Galaxy, a book that was designed by Doug Drexler for DS9: "Time's Orphan". (Star Trek: Deep Space Nine Companion, p. 579)

In the film serial Flash Gordon, the native Orangopoids from the planet Mongo resemble the Mugato. These creatures were colloquially known as "The Dreaded Beast of Mongo," where they were often used in ritualistic executions of so-called enemies of the state. It also bears some minor resemblance to the gremlin from the "Nightmare at 20,000 Feet" episode of The Twilight Zone. William Shatner starred in this episode as a neurotic airline passenger. The creature terrorized Shatner's character until he went mad.

Ben Stiller, an avid Star Trek fan, named the Zoolander villain Jacobin Mugatu (played by Will Ferrell) after the Mugato.


The novel series Star Trek: New Frontier featured an augmented mugato named Janos (named after the original mugato's performer Janos Prohaska) who was genetically-altered by Doctor Marius Bethom and achieved sentience. However, his augmented genes led to an irreversible decrease in intelligence that came in waves before becoming permanent. He entered Starfleet with the rank of ensign and served as a security officer aboard the USS Excalibur and USS Excalibur-A. In 2376, he was temporarily transferred to the USS Trident where he had a short-term relationship with M'Ress. However, his intelligence finally deteriorated, leading him to murder fellow crew member Lieutenant Gleau after he mentally assaulted M'Ress. Having lost his unique sentient abilities, Janos was eventually brought to Neural and released back into the wild where he joined a tribe of mugato. He eventually got into a scuffle with several members of the tribe after defeating at least two members using Judo throws implying that while Janos lost his intelligence, his muscle memory remained un-impaired.

The Star Fleet Medical Reference Manual lists what to do in the event of a mugato bite in the first aid section and lists the mugato's taxonomic nomenclature as Pongidae theropoda and that it can reach up to 2.2 meters in height.

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