SUBNAUTICA 2 GUIDEDeep-sea field manual
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Sparse Reef

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The Sparse Reef is a gloomy, sparsely populated biome located southwest of Lifepod 5. It features rock spires, deep fissures, and connects to the Deep Sparse Reef cave system.

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Sparse Reef

Sparse Reef Biome

AttributeDetails
TypeSurface
Depth Range20 - 310 meters
Temperature Range13.7°C - 29.8°C
Biome IDsparseReef, sparseReef_Spike
Harvesting NodesLimestone Outcrop, Shale Outcrop
Coordinates-684 -221 -686
Point of InterestLarge Wreck (-787 -208 -713)
MusicAlien Expanse, Islands Beneath the Sea

Biodiversity in this region is unusually low. Cause unknown. ― PDA, Dialogue

The Sparse Reef is a biome located southwest of Lifepod 5, bordering one of the Grassy Plateaus, the Blood Kelp Trench, the Sea Treader's Path, the Grand Reef and Kelp Forests. As its name implies, this gloomy area is sparsely populated, home to a few types of small fauna and flora.

It also houses its own cave system, the Deep Sparse Reef, which can be found near the wreck in this biome.

Description

The Sparse Reef is a large, sprawling region composed of relatively flat areas covered by green mounds scattered with Table Coral as well as large fissures where most of the Bioluminescent flora inhabit, notably the Eye Stalks. Some areas have deep drop-offs, along with basins, caves, and other irregular formations. A green-blue fog can be seen shrouded over the distinctively unsaturated landscape, creating a gloomy, desolate atmosphere.

There are also large clusters of spire-like structures found along the border of the Sparse Reef next to the Grassy Plateaus, and near the Grand Reef. Found within these spires is a small entrance to the Grand Reef Caves, towards the Southeast. Continuing southwest, a steep, dark drop into the Sea Treader's Path can be seen.

The main hazard in the Sparse Reef are the small clusters of Tiger Plants found in the deeper portions of the biome that can cause heavy damage to unaware players.

In the deeper areas of the Sparse Reef (exceeding 200 meters) a distinctive, echoing ambience can be heard, contributing to the atmosphere. This feature can also be heard in other deep, open biomes such as the Dunes, or the Sea Treader's Path.

Story Related Material

An Alien Vent Entrance Point and a Sanctuary Cache are found in the Deep Sparse Reef. Lifepod 19 is also found in the deep area of this biome.

Resources

All Data Boxes are found in Wrecks:

Raw resources found in the biome include:

Flora and Fauna

Fauna:

Flora:

Fragments and Scannables

All Fragments are found in Wrecks:

All Scannables are found in Wrecks:

Overview Overview

Overview of the shallower areas, at daytime Overview of the shallower areas, at daytime

Ditto, night time Ditto, night time

The rock spires in the Sparse Reef The rock spires in the Sparse Reef

Rock spires along the border with the Grand Reef Rock spires along the border with the Grand Reef

Shallow fissures on the outskirts of the Sparse Reef, along the border with the Grassy Plateaus Shallow fissures on the outskirts of the Sparse Reef, along the border with the Grassy Plateaus

The border with the Sea Treader's Path The border with the Sea Treader's Path

A cluster of small formations in the Sparse Reef A cluster of small formations in the Sparse Reef

Wreckage in the Sparse Reef Wreckage in the Sparse Reef

A small entrance to the Grand Reef Caves inside a cave in the rock spires, including a Large Lithium Deposit A small entrance to the Grand Reef Caves inside a cave in the rock spires, including a Large Lithium Deposit

A Reefback Leviathan swimming above the rock spires in the Sparse Reef A Reefback Leviathan swimming above the rock spires in the Sparse Reef

A view of the Sparse Reef A view of the Sparse Reef

View of the entrance from the Sparse Reef to the Blood Kelp Zone View of the entrance from the Sparse Reef to the Blood Kelp Zone

The Sparse Reef's border with the Grand Reef The Sparse Reef's border with the Grand Reef

Numerous fauna in the Sparse Reef Numerous fauna in the Sparse Reef

A type of Bioluminescent grass in the Sparse Reef A type of Bioluminescent grass in the Sparse Reef

Large formations near the northern part of the biome Large formations near the northern part of the biome

One of the caves in the Sparse Reef, with an Eye Stalk and a Tiger Plant One of the caves in the Sparse Reef, with an Eye Stalk and a Tiger Plant

Some Redwort in the Sparse Reef Some Redwort in the Sparse Reef

Trivia

A sample of Donald Trump saying "China" is featured in the soundtrack of the Sparse Reef. Listen closely to the song above at 1:18 and 1:04.

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