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This article is about Boomerang in Below Zero. Click here for information on this subject in Subnautica.

The Boomerang is a small passive fauna species.


The Boomerang is a small fish with a bright yellow-green center and dark green stripes along the sides and edges of its body. It is horizontally symmetrical, and, as its name suggests, similar in shape to a real life boomerang.

From the Boomerang's top and bottom protrude long, slim, pointed fins extending diagonally backwards from its main body. The tips of these fins give off a cyan bioluminescent glow. It has four eyes, two on each side of its head, being respectively above and below of its mouth.


The Boomerang sways side-to-side as it swims. If approached by the player, it will eventually flee. It is a fast swimmer.

Data Bank Entry

Boomerang-0 (BZ).png

A herbivore encountered in large numbers, found to frequent shallow waters and move in schools.

1. Serrated Teeth:
Suggests adaptation for grinding corals other herbivores are unable to digest.

2. Twin-fins:
Unusually, this species' two fins are a cartilaginous extension of its skeleton. They are less prone to damage and provide superior propulsion, but are also harder to grow back. The bright blue tips are in fact the ends of its digestive tract, where the luminescence of the corals it consumes is most focused.

Most active during daylight hours, and prone to flee on approach, the boomerang can more easily be observed at night when its luminescence gives it away and it seeks the shelter of the seabed.

Assessment: Edible

Source: Scan Boomerang