Large mass union ship

The Large Mass Union Ship

The Large Mass Union Ship (大シュガフ船 Dai Shugafu-sen) is an enormous amalgamation of trillions of Gauna. Hundreds of kilometers wide, it is first detected when it is three light years away from Sidonia. It becomes a persistent threat in the series, and eventually meets up with Sidonia in the Lem system.

Biology Edit

The Large Mass Union Ship has a structure similar to an earth jellyfish. Consisting of a large "hood" or "bell," the top of the Gauna extends to cover hundreds of kilometers in diameter. "Beneath" this bell lie hundreds of tentacles, some kilometers across, that can move independently. Within the Gauna itself are innumerable True Bodies, measured in the trillions.

Before the assault on the Large Mass Union Ship, Sidonia discovers that the ship has been growing, and that the number of True Bodies is increasing. This implies that the ship has a way to create or give birth to new Gauna.

First Appearance Edit

The Large Mass Union Ship is first detected when it is three light years from Sidonia. At the beginning of the story, it is the first positive Gauna contact in a hundred years. Whether this is the only Mass Union Ship of this scale or not is unknown.

Lem System Edit

The Large Mass Union Ship is first encountered in the Lem system, when it crashed into the moon outpost created by the first colonists of the Lem system. Located on Lem VII's moon, this outpost was the first attempt at colonization by Sidonia, The colonists were convinced that the lack of Guardians and and Kabizashi would cause the Gauna to ignore the outpost. This was, sadly, untrue, and the entire outpost was wiped out.

Reaction to Heigus Particles Edit

By the time of the rescue of Teruru Ichigaya, it is known that the Gauna react to Heigus Particles. Using this, a non-Heigus ship was able to pass by extremely close to the Large Mass Union Ship, allowing close-up observation without any reaction from the Gauna.

Mass union close

The Mass Union Ship, in all its glory.


Knights of Sidonia Characters
Gardes Pilots

Nagate Tanikaze | Izana Shinatose | Shizuka Hoshijiro | Honoka Sisters | Mochikuni Akai | Hinata Momose | Kashiwade Aoki | Izumo Midorikawa | Eiko Yamano - Toutarou Yamano| Samari Ittan | Tonami | Kouichi Tsuruuchi | Ichirou Seii | Norio Kunato | Kaoru Hazama | Ryouhei Kasuga | Kujira Negi | Hamagata | Hashine | Suzuki

Sidonia Command

Yuhata Midorikawa | Ryouko Takahashi | Ichirou Seii | Ochiai Clone

Immortal Ship Committee

Kobayashi | Lala Hiyama | Hiroki Saitou | Yure Shinatose | Ochiai

ET Research Center

Numi Tahiro | Yure Shinatose

Toha Heavy Industries

Sasaki | Shinsuke Tanba | Shijimi

Kunato Developments

Norio Kunato - Mozuku Kunato


Teruru Ichigaya


Tsumugi Shiraui - Kanata

Gauna 487 | Gauna 491 | Gauna 492 | Gauna 493 | Benisuzume | Placental Hoshijiro | Ocarina | Gauna 541 | Large Mass Union Ship | Lem Gauna Wall | Lem VII Gauna | Aulos
Knights of Sidonia
Anime Season 1 | S1 compilation movie | Season 2 | Season 3
Subjects & Topics Sidonia | Gauna | Gardes | Technology of Sidonia | Characters of Sidonia |
Manga Volume 1 | Volume 2 | Volume 3 | Volume 4 | Volume 5 | Volume 6 | Volume 7 | Volume 8 | Volume 9 | Volume 10 | Volume 11 | Volume 12 | Volume 13
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