Aquatic stage.

Floating stage.

General Information
Homeworld Aranel
Habitat Aquatic (larvae)
Airborne (pupa)
Underground (adult)
Body Type Vermiform (larvae)
Balloon-shaped (pupa)
Insectoid (adult)
Sapience Level Non-Sapient
Behind the Scenes
Universe "Alien Faces"

Achoms are alien creatures native to the tidally-locked planet Aranel, which orbits a red dwarf star.


They are amphibious insectoids that undergo metamorphosis, starting out as an aquatic eel-like form with two fins on either side. They later get into a cocoon which, by taking the hydrogen from the water, becomes a balloon-like structure that floats out of the water and into Aranel's twilight zone. Finally, upon landing, they become burrowing creatures with ant-like heads, long crusty tails and multiple legs that are constantly preyed upon by Pinapods.


  • The Universe, s03e05, "Alien Faces" (2008)
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