How to Get Seatruck Aquarium Module in Subnautica: Below Zero

Seatruck Aquarium Module unlocks by scanning 3 fragments, 3 s per scan. The files place 1 fragment pin for it.

Data: Subnautica: Below Zero game files (build of 12 Aug 2025), read and drawn by PinDrop. (c) Unknown Worlds Entertainment. PinDrop is fan-made and not affiliated with Unknown Worlds Entertainment.

Open on the full map
Fragment pin (1)The view is cropped to the pins; each dot opens that pin on the full map.

How to unlock Seatruck Aquarium Module

Scan fragments

Pieces needed
3
Scan time
3 s
Fixed pins
1

The fragment is called "Seatruck Aquarium Module Fragment" in the game.

The game files read for this page do not say whether you start with this blueprint.

Where the pins are

Depth in metres: negative is below sea level, positive above.

Pins for Seatruck Aquarium Module
PinAreaDepth (m)PositionMap
FragmentPurple Vents-101x 235, z -627Show on map

What Seatruck Aquarium Module needs

In-game description: "Attachable seatruck module that collects live specimens from the external environment."

  • Plasteel ingot

    x 1

  • Wiring kit

    x 2

  • Enameled glass

    x 2

Crafted at: Mobile vehicle bay.

Menu path in the files: Mobile vehicle bay: Modules > Sea Truck Aquarium Module.

About the Seatruck Aquarium Module blueprint

Seatruck Aquarium Module needs 3 fragments scanned. The game files place 1 fixed fragment pin for it, in Purple Vents. Once unlocked it is made from 1 plasteel ingot, 2 wiring kit, 2 enameled glass.

See all data boxes and fragments, or the full crafting list.