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| This article is about the Blue Barnacles. You may be looking for the Barnacle.
Blue Barnacles are a flora species found exclusively in the Primary Containment Facility Aquarium and Alien Pipe System room. Blue Barnacles come as Blue Barnacle Clusters, and singular Blue Barnacles.
The Blue Barnacles resemble clusters of real life Barnacles, embedded in a calcified, dark gray base. They have a maw with a light turquoise bioluminescent glow.
Clusters of Blue Barnacles in the Primary Containment Facility Aquarium
A cluster of Blue Barnacles
A tank in the Pipe Room with Blue Barnacles
Twisty Bridges' Concept Art
, featuring Blue Barnacle Clusters
Early developer screenshot
- Real life barnacles fall under the Fauna category, however, on the official Flora sheets for Subnautica, they are listed as Flora.
- Blue Barnacles may be planned to be in the Twisty Bridges.