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This biome is late-game content: a deep biome, a leviathan or part of the story. It stays hidden until you choose to see it.

Crystal Caverns

Depth 462–760 mUndergroundHostile species 1

Whole depth range in reach of: Prawn suit + Prawn suit depth module MK2 · Seatruck + Seatruck Depth Upgrade MK3

Depth profile

Where each resource and creature spawns in the Crystal Caverns, by depth (the middle 90% of its spawn spots).
  • Resources
  • Attacks you
  • Other fauna
Uraninite crystalUraninite crystal 455–709 m
≈357 loose
LithiumLithium 502–699 m
≈225 loose
MagnetiteMagnetite 520–785 m
≈132 loose
Ribbon PlantRibbon Plant 519–715 m
≈117 loose · 2 fixed
RubyRuby 638–716 m
≈117 loose
QuartzQuartz 502–699 m
≈112 loose
Nickel oreNickel ore 675–791 m
≈71 loose
KyaniteKyanite 513–716 m
≈69 loose
DiamondDiamond 622–776 m
≈44 loose
Rock puncher eggRock puncher egg 753–806 m
≈13 loose
Copper oreCopper ore 513–712 m
From Copper ore deposit
GoldGold 753–806 m
From Gold deposit
LeadLead 440–695 m
From Galena outcrop
Silver oreSilver ore 520–785 m
From Argentite outcrop
Red Feather FishRed Feather Fish 479–708 m
≈802 in this biome
TriopsTriops 511–709 m
≈353 in this biome
RockgrubRockgrub 502–695 m
≈196 in this biome
BladderfishBladderfish 515–711 m
≈180 in this biome
SpinefishSpinefish 439–636 m
≈25 in this biome
Rock PuncherRock Puncher 502–695 m
≈19 in this biome · attacks
Show as a table
NameFromToType
Uraninite crystal455 m709 mResources
Lithium502 m699 mResources
Magnetite520 m785 mResources
Ribbon Plant519 m715 mResources
Ruby638 m716 mResources
Quartz502 m699 mResources
Nickel ore675 m791 mResources
Kyanite513 m716 mResources
Diamond622 m776 mResources
Rock puncher egg753 m806 mResources
Copper ore513 m712 mResources
Gold753 m806 mResources
Lead440 m695 mResources
Silver ore520 m785 mResources
Red Feather Fish479 m708 mOther fauna
Triops511 m709 mOther fauna
Rockgrub502 m695 mOther fauna
Bladderfish515 m711 mOther fauna
Spinefish439 m636 mOther fauna
Rock Puncher502 m695 mAttacks you

Dangers

CreatureAttackDamageAlso hitsDepth here
Shadow LeviathanBite75 / 4 svehicles, Cyclops, creatures—

Creatures (7)

Red Feather Fish≈802 random
Triops≈353 random
Rockgrub≈196 random
Bladderfish≈180 random
Spinefish≈25 random
Rock Puncher≈19 random
Shadow Leviathan2 fixed

Resources & pickups (17)

Uraninite crystal≈357 looseLithium≈225 looseMagnetite≈132 looseRibbon Plant≈117 loose · 2 fixedRuby≈117 looseQuartz≈112 looseNickel ore≈71 looseKyanite≈69 looseDiamond≈44 looseRock puncher egg≈13 looseViolet beau3 fixedIon Cube2 fixedCopper oreFrom Copper ore depositGoldFrom Gold depositLeadFrom Galena outcropSilver oreFrom Argentite outcropTitaniumFrom Galena outcrop

Landmarks (2)

Below Zero data: build 53872 (Oct 2025)