Earthen Coral Tubes (Subnautica)

Earthen Coral Tubes are a non-harvestable coral species. They grow on the walls and ceiling of certain caves and are purely decorative. These can also be picked up with the Propulsion Cannon.

Appearance
Earthen Coral Tubes are a light brown, tubular coral that range from being short and rotund to long and skinny. They are almost always found in groups of twenty or more. The inside of some tubes have an orange bioluminescent glow.

Trivia

 * Earthen Coral Tubes were once known as Brown Coral Tubes.