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    You are at:Home - Subnautica - How to Bio Scan Sandspear in Subnautica 2
    Subnautica

    How to Bio Scan Sandspear in Subnautica 2

    By Sohan DasguptaMay 20, 20265 Mins Read
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    (Image via Unknown Worlds Entertainment)
    (Image via Unknown Worlds Entertainment)

    While exploring Subnautica 2, you will come across many different sea creatures, but not all of them are just there for atmosphere. Some fauna are tied directly to Biomods, which give your character useful active or passive abilities.

    One such creature is the Sandspear. Bio scanning Sandspear is required to unlock the Bioluminescence Passive Biomod, which gives your character a glow-in-the-dark effect and helps while exploring darker underwater areas.

    Sandspear can usually be found around sandy seabeds, caverns, and early biome areas. If you are having trouble locating it, here is how to find and bio scan Sandspear in Subnautica 2.

    How to Find Sandspear in Subnautica 2

    Once you spot this landmark, dive deep (Image via Unknown Worlds Entertainment | @WoWQuest/YouTube)
    Once you spot this landmark, dive deep (Image via Unknown Worlds Entertainment | @WoWQuest/YouTube)

    Sandspear is commonly found near sandy seabeds and cavern-like areas. One reliable way to look for it is to move east-northeast from your Lifepod and search around the lower seabed areas.

    Follow these steps:

    1. Start from your Lifepod.
    2. Move toward the east-northeast direction, around the 65–70 degree marker.
    3. Keep moving until you reach the sandy seabed and nearby cavern area.
    4. Dive closer to the bottom and look around the open sand and cave edges.
    5. Search for a small fish with a sharp, spear-like body shape and noticeable tail movement.

    Sandspear can blend into the environment if you are moving too quickly, so slow down and scan the seabed carefully. If you see a fish moving close to the sand or cavern floor, approach it slowly and check for the scan prompt.

    You may also find Sandspear in multiple locations, so do not worry if it does not appear immediately at one spot. Creature spawns can vary slightly, and you may need to search around nearby sandy paths or cave openings.

    How to Bio Scan Sandspear in Subnautica 2

    Scan Sandspear o unlock a Passive Mode in Subnautica 2 (Image via Unknown Worlds Entertainment | @WoWQuest/YouTube)
    Scan Sandspear to unlock a Passive Mode in Subnautica 2 (Image via Unknown Worlds Entertainment | @WoWQuest/YouTube)

    To scan Sandspear for Biomod progress, you need the Bioscanner. The basic Scanner is useful for blueprints and data entries, but Biomod-related scans require the Bioscanner upgrade.

    To craft the Bioscanner, you need:

    • 1x Scanner
    • 2x Enameled Glass
    • 3x Conduit Crystal

    Once you have the Bioscanner, follow these steps:

    1. Equip the Bioscanner from your hotbar.
    2. Swim close to Sandspear.
    3. Wait for the “Bio Scan Sandspear” prompt to appear.
    4. Hold the scan button until the scan completes.
    5. Check your Biolab or Biomod progress afterward.

    Try not to chase Sandspear too aggressively. Move slowly, stay close enough for the prompt, and complete the scan as soon as the option appears.

    What Does Sandspear Unlock in Subnautica 2?

    Sandspear fish in the game (Image via Unknown Worlds Entertainment | @WoWQuest/YouTube)
    Sandspear fish in the game (Image via Unknown Worlds Entertainment | @WoWQuest/YouTube)

    Scanning Sandspear is one of the requirements for unlocking the Bioluminescence Passive Biomod.

    To unlock Bioluminescence, you need to bio scan:

    • Sandspear
    • Electric Geordie

    Once both creatures are scanned, you can unlock the Bioluminescence Biomod from the Biolab.

    What Does the Bioluminescence Biomod Do?

    The Bioluminescence Passive Biomod gives your character a glow-in-the-dark effect.

    This can help when exploring darker underwater regions, caves, and low-visibility areas. It is not the strongest survival Biomod in the game, but it is useful if you want better visibility while exploring.

    Since it is a passive Biomod, it works in the background once equipped.

    Tips to Find Sandspear Faster

    If you are struggling to find Sandspear, keep these tips in mind:

    • Search sandy seabeds instead of open deep water.
    • Look near cavern entrances and cave floors.
    • Move slowly so the scan prompt does not disappear.
    • Use the Bioscanner only after confirming the creature.
    • Check nearby areas if Sandspear does not spawn immediately.
    • Avoid confusing it with other small fish around the seabed.

    Sandspear is not the hardest creature to find, but it can be easy to miss if you are rushing through the biome.

    Final Thoughts

    Sandspear is an important creature to scan in Subnautica 2 because it helps unlock the Bioluminescence Passive Biomod. You can usually find it around sandy seabeds and cavern areas near the early biome routes.

    Just remember that you need the Bioscanner, not the basic Scanner, to make progress toward Biomods. Once you bio scan Sandspear and Electric Geordie, you can unlock Bioluminescence and gain a glow-in-the-dark effect for darker exploration areas.

    Where can I find Sandspear in Subnautica 2?

    Sandspear can usually be found around sandy seabeds, cave floors, and cavern areas. A good starting point is to search east-northeast from your Lifepod around the lower seabed.

    How do I scan Sandspear in Subnautica 2?

    To scan Sandspear for Biomod progress, equip the Bioscanner, move close to the creature, wait for the “Bio Scan Sandspear” prompt, and complete the scan.

    Do I need the basic Scanner or Bioscanner for Sandspear?

    You need the Bioscanner to bio scan Sandspear for Biomod progress. The basic Scanner is mainly used for blueprints and normal scans.

    What does Sandspear unlock in Subnautica 2?

    Sandspear helps unlock the Bioluminescence Passive Biomod. You also need to scan Electric Geordie to complete the requirement.

    What does the Bioluminescence Biomod do?

    The Bioluminescence Biomod gives your character a glow-in-the-dark effect, making it easier to explore darker underwater areas.

    What materials are needed to craft the Bioscanner?

    The Bioscanner requires 1x Scanner, 2x Enameled Glass, and 3x Conduit Crystal.

    Subnautica 2
    Sohan Dasgupta
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    Sohan Dasgupta is a Growth Manager at Game Devourer with 4+ years of experience across writing, editing, reviewing, and content management. He’s been gaming since he was five, growing up on story-driven classics like GTA, Bully, Prince of Persia, Assassin’s Creed, Max Payne, God of War, Mafia, and the original Resident Evil games, so it’s no surprise that narrative-rich single-player titles and RPGs are his comfort zone. While he occasionally jumps into Fortnite or Valorant sessions with friends, Sohan is most at home unwinding on his PS5 with a strong story-led experience (PlayStation exclusives are a definite bonus). His all-time favorites include Red Dead Redemption 2, The Last of Us, Marvel’s Spider-Man, Bully: Scholarship Edition, and The Witcher 3. Professionally, Sohan has worked with leading gaming publications like Sportskeeda and Game Rant, and previously served as an Assistant Content Manager for tech and gaming at Deltias Gaming, where he managed multiple teams. When he’s not gaming or writing, you’ll find him cooking, painting, reading fiction, playing guitar, or following sports, especially Cricket, Football, Table Tennis, and F1.

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