What to know
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Start near the Rosetta Stone and head downward from the coordinates shown in the game.
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The Needler Mango is located in the area below that point and may hide briefly when you arrive.
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It is usually found in the same general area and becomes easier to approach after it starts shooting.
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Once it has fired a few times, you can get out and scan it safely.
In Subnautica 2, a Needler Mango can be bio scanned once you find it near the Rosetta Stone area, wait for it to reveal itself by shooting, and then scan it safely.
The key is to stay patient, keep moving downward from the starting point, and scan after it becomes focused on your ship rather than you.
Needler Mango bioscan details
How to find the Needler Mango
Step 1
Move to the area near the Rosetta Stone and use the given coordinates as your reference point.
Step 2
Head downward from that location, since the fish is below the starting position.
Step 3
If the creature is not visible right away, keep going and watch the area closely.
Step 4
Listen and look for it shooting from below, since that is the cue that it is nearby.
Step 5
Once it begins firing, leave the safety of your vehicle or position and scan it while it is distracted.
Step 6
Finish the scan after it has shot a few times, since it becomes relatively safe to approach at that point.
Needler Mango scan route
The route stays tightly focused around one area rather than a long trek across the map. It points to the Rosetta Stone as the reference and the fish is just below that position. That means the main challenge is spotting it and waiting for the right attack pattern, not traveling far.
