Rockgrub (Subnautica)

The Rockgrub is a tiny insect-like creature that floats around in the water producing a small source of light.

Code in the sharedassets refer to the Rockgrub as the Rock Puncher Larva however an early Trello card refers to them as "RockPuncher Food".

Appearance
The Rockgrub is tiny and of a slightly translucent green. It is bioluminescent and has a slim, round, segmented body with two fins in the front and one horizontal tail fin. Further, it has five small legs on each side, and a circular mouth with sharp teeth at the front.