A fictional race of morphing and shape-shifting [[giant]] [[alien]] creatures from the [[Sidonia No Kishi]] science fiction [[mecha]] series. They are the main antagonists in the series.

[[Nihei Tsutomu]]'s previous work [[Abara]] used the term "Gauna" to refer to humans with the ability to extrude armor from their skeletons.

h4. See also

* [[Benisuzume (Gauna)]]
* [[Shiraui Tsumugi]]
奇居子