Subnautica Codexery

Mushroom Forest

A glowing fungal wonderland hiding electrical dangers beneath the canopy.

The Mushroom Forest is a vibrant, fungal-dominated biome located near the surface of Planet 4546B. Characterized by towering stalks that reach toward the water's surface and a canopy of glowing spores, it serves as one of the first major ecosystems explorers encounter after leaving the initial Safe Shallows. Its unique flora creates a surreal atmosphere where light filters through organic matter rather than just open water.

Depth Range
0m - 130m
Temperature
Cool
Region
Adjacent to Safe Shallows
Key Fauna
Jellyshroom, Ghostfish
Primary Flora
Giant Mushrooms
Lighting Condition
Dim due to canopy

Lore & Background

On Planet 4546B, life has adapted in strange and beautiful ways, nowhere more evident than in the Mushroom Forest. These colossal fungi appear to be a dominant species in this region, forming a sub-aquatic canopy that mimics terrestrial forests found on Earth but scaled for an oceanic environment. The bioluminescence emitted by the stalks suggests a deep evolutionary history tied to low-light conditions or chemical signaling within the water column.

In Their Own Story

The flashlight beam cut through the murky water, illuminating the violet glow of a giant cap overhead. I held my breath as the spores drifted past like snowflakes, mesmerizing and silent. Suddenly, a ripple in the darkness caught my eye—a Jellyshroom drifting lazily before zapping its prey with a crackle of blue energy. In this forest, beauty was deadly, but the light offered hope against the crushing dark.

Reader's Guide

The Mushroom Forest sits just beyond the initial landing zone, typically ranging from surface level down to roughly one hundred thirty meters. Temperatures are cool, requiring a Thermal Knife or suit for extended exploration without discomfort. Divers should bring a reliable light source, as the dense fungal canopy blocks much of the sunlight above.

Essential resources include Copper Ore and Quartz found on the sea floor, alongside scattered Titanium deposits useful for early crafting. While generally safe from large predators, swarms of Jellyshrooms pose a significant threat. These creatures can stun divers with their electrical charges, leaving them vulnerable to drowning or other hazards if caught off guard.

Notable points of interest include the massive mushroom stalks that reach toward the surface, creating natural archways and caverns beneath. Explorers often find this biome rich in plant life for harvesting, though care must be taken not to disturb the spore clouds drifting between the stalks. It serves as a crucial transition zone before descending into deeper, darker trenches.

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