Foureye

Aggressivesmall
Attitude
Aggressive
Depth
0–100m
Sight Range
55m

Overview

The Foureye (*Morokotoform duplex*) is a small aggressive predator found at shallow depths of 0–100m in Subnautica 2. This creature's defining trait is that it is always born as identical twins — two individual fish that pair belly-to-belly, fusing their digestive and nervous systems to function as a single four-eyed organism.


Attacks & Abilities

bite5 dmg
physical
player5 dmg
physical

Behavior & Details

Each individual "two-eye" has large pectoral fins suited for quick maneuvers and squashed eyes optimized for upward vision, suggesting an ambush-from-below hunting strategy. When paired into a duplex through modified ventral suckers, the two share nutrients through an embryonic yolk stalk and exchange sensory data through nerve clusters in the skin. The duplex form deals 5 damage per bite from two separate attack sources, making it a persistent nuisance in shallow waters.

With a sight range of 5,500 units — unusually high for a small creature — Foureyes detect targets at distances rivaling much larger predators. Their aggression is unpredictable: the duplex form willingly attacks species larger than itself, though whether this represents territorial defense, pack instinct, or play behavior remains unclear.


Tips & Strategy

Foureyes deal only 5 damage per bite, but their 5,500-unit sight range means they detect you from extreme distance. In shallow waters at 0–100m, expect multiple Foureye encounters on any dive.

If you see a solitary two-eyed fish swimming erratically with occasional seizures, avoid it — solitary Foureyes are ill or mourning and their behavior is unpredictable. They are not safer than paired ones.

The duplex Foureye attacks from two bite sources simultaneously. While each hit is only 5 damage, the rapid double-strikes add up during extended encounters. Don't ignore them just because individual hits seem minor.

Foureyes use quick pectoral fin maneuvers rather than sustained cruising. Sharp lateral movements can break their pursuit — they excel at ambush, not chase.

Foureyes are among the first aggressive fauna new players encounter in shallow water. Use early encounters to practice dodge timing and threat assessment before venturing into deeper zones with deadlier creatures.


PDA Entry

PDA // Databank
Foureye (*Morokotoform duplex*). A predatory fish always born in pairs of identical twins. The twins pair belly-to-belly, joining their digestive and nervous systems to behave as a single organism. 1. Predatory individual The individual "two-eye" is convergent with Earth fish. Large, mobile pectoral fins are suited to quick maneuvers, not cruising. Squashed eyes offer better vision upward. Individuals feed on smaller forage fish and hard-shelled crustaceans. 2. Duplex team Two individuals pair into a complete four-eye through a pair of modified ventral fins, which have evolved into sensitive structures similar to Sol sharksuckers. (Repeating this phrase can help train vocal dexterity.) The embryonic yolk stalk grows through the forward sucker, allowing the joined pair to share nutrients. Nerve clusters in the suckers trigger each other through the skin, passing sensory data and motor commands. Separated individuals are prone to brief seizures, suggesting the nervous system is sensitive to external influence. 3. Dynamic pairing Four-eyes can unpair and repair at any time. When sexually mature, twins paired since infancy split up to seek out mating partners, forming new four-eyes. Mated pairs may be cross-sex (with the male fertilizing the female) or same-sex (with both individuals cooperating to locate a mate or mates). 4. Aggression The duplex foureye is aggressive and willing to attack even larger species. It is unclear if this is a territory-guarding strategy, a relic of some ancient group behavior, or even a form of youthful play. 5. Solitude Solitary two-eyes may be ill or in mourning. Avoid. Assessment: minor danger. Be alert for unpredictable attacks.

Spawn Locations (33)

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Subnautica 2 Gameplay

Foureye icon

Foureye

aggressive creature
Stats
Attitude
Aggressive
Depth
0–100m
Sight Range
55m
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