Bio-Electric Head
The Bio-Electric Head is one of the head evolutions that you can apply to your shark in Maneater.
Unlocked by defeating the Infamy Level 9 boss, the Bio-Electric Head evolution features in the Bio-Electric Set, which offers a bonus to your Bio-Electric damage output.
Bio-Electric Head Official Description
“This evolution releases an electric shock when you ram boats, short-circuiting them.”
How to Unlock the Bio-Electric Head
To unlock the Bio-Electric Head evolution, you’ll need to increase your infamy to Infamy Level 8.
Next, you’ll need to eat a bunch of humans and then target the hunters who come to try to end your rampage.
Once you’ve filled the blue infamy bar to Infamy Level 9, Commander Percy Metcalf will arrive on the scene.

Defeat Commander Percy Metcalf to unlock the Bio-Electric Head evolution, and get 3,000 Protein, 3,000 Fat, and 3,000 Mineral.
Bio-Electric Head Parameter Boosts
Equipping the Tier 5 Bio-Electric Head gives your bull shark a powerful on slam ability as well as the following parameter boost:
- +15 Damage
Parameters are made up of 20 segments, with five points needed to fill one segment. So, a +5 boost to a ratings parameter will fill the equivalent of one segment.
Bio-Electric Head Effects and Abilities
The Bio-Electric Head gives your shark a unique new ability when you slam, as shown below:
Tier 1 | Tier 2 | Tier 3 | Tier 4 | Tier 5 |
On Slam: The target boat cannot move for 2 seconds. | On Slam: The target boat cannot move for 4 seconds. | On Slam: The target boat cannot move for 6 seconds. | On Slam: The target boat cannot move for 8 seconds. | On Slam: The target boat cannot move for 10 seconds. |
Cost to Upgrade: 8,000 Fat | Cost to Upgrade: 10,000 Fat | Cost to Upgrade: 12,000 Fat and 175 Mutagen | Cost to Upgrade: 14,000 Fat and 350 Mutagen | Tier 5 is the highest upgrade level |
Further Bio-Electric Head Details
- Required Age: Elder
- Icon:
- Appearance: More prominent and erratic electric blue tentacles grow around your shark’s eyes, upper jaw, and lower jaw.
- Total Upgrade Materials: 44,000 Fat, 525 Mutagen
- Set Bonuses: Bio-Electric Damage Bonus (The Bio-Electric Set)
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