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These values may differ with what you see in-game or written elsewhere. But that is what the dossier says.
Common Name
Cnidaria omnimorph
Time Period
Cambrian - Holocene
Logo Steam.png 253.0
December 23, 2016
Logo Xbox One.svg 749.0
January 17, 2017
Logo PS4.svg 503.0
January 18, 2017
Logo Mobile.png 1.0
May 24, 2018
Logo Nintendo Switch.png 599.0
November 30, 2018
Spawn Command
admincheat summon Cnidaria_Character_BP_C
admincheat SpawnDino "Blueprint'/Game/PrimalEarth/Dinos/Cnidaria/Cnidaria_Character_BP.Cnidaria_Character_BP'" 500 0 0 35
Variant Aberrant Cnidaria
admincheat summon Cnidaria_Character_BP_Aberrant_C
admincheat SpawnDino "Blueprint'/Game/PrimalEarth/Dinos/Cnidaria/Cnidaria_Character_BP_Aberrant.Cnidaria_Character_BP_Aberrant'" 500 0 0 35
XP For Kill
2 XP
Feces Size

The Island Topographic Map.jpg
Spawning Cnidaria The Island.svg

The Center Topographic Map.jpg
Spawning Cnidaria The Center.svg

Ragnarok Ocean Topographic Map.jpg
Spawning Cnidaria Ragnarok.svg

Valguero Topographic Map.jpg
Spawning Cnidaria Valguero.svg

Aberration Topographic Map.jpg
Spawning Aberrant Cnidaria Aberration.svg

Common             Rare
  Untameable   Cave

The Cnidaria (Nye-dare-e-ah) is one of the Creatures in ARK: Survival Evolved.

Basic Info[edit | edit source]

Dossier[edit | edit source]

This dossier section is intended to be an exact copy of what the survivor Helena, the author of the dossiers has written. There may be some discrepancies between this text and the in-game creatures.


Cnidaria omnimorph is another example of a creature which should not exist. It has traits that seem derived from many types of jellyfish. It possesses the size and shape of large egg-yolk jellies, the powerful sting of certain box jellies, and the bioluminescence of deep-sea jellies. This all combines to make a dangerous creature that lights up the deepest reaches of the ocean.

Cnidaria is not generally aggressive, because it lacks normal perceptive senses. It generally just floats along on the current until something gets close enough to sense, at which point it attacks. While its attacks are not directly powerful, its sting injects an incredibly strong and fast-acting sedative.


As Cnidaria is barely more intelligent than a plant, there's no effective method to tame one.

Most tribes kill Cnidaria on sight, then collect its reserve of powerful sedative, to use in technically advanced long-distance tranquilizers.

~ Helena

Behavior[edit | edit source]

The Cnidaria is an aggressive creature, pursuing survivors at a slow pace. Its attacks include torpor inducing stings and knocking riders off of their mounts, however it has low health and can be killed easily. This makes the Cnidaria a common aquatic pest.

Appearance[edit | edit source]

Cnidaria Omnimorph is a relatively large jellyfish compared to a human, with long trailing tentacles packed with venom to sedate both prey and predators.

Color Scheme and Regions[edit | edit source]

X mark.svg

The Cnidaria always spawns with the same color scheme and has no color regions.

This means it is currently impossible to make alterations to the Cnidaria's natural spawn colors.

Drops[edit | edit source]

Base Stats and Growth[edit | edit source]

Note that creatures will have different stats in Survival of the Fittest

Basic Stats
Attribute Amount at Level 1 Increase per point
Health 180 +36
Stamina 120 +12
Oxygen N/A5 N/A
Food 1200 +120
Weight 25 +0.5
Melee Damage 302 +1.5
Movement Speed 100% N/A3
Torpidity 250 +15

1Percentages are based on the value of the stat the moment the creature was tamed (after taming effectiveness)
2The absolute Base Damage is shown here instead of the percentage.
3Wild creatures do not level up movement speed
4Torpidity increases every level on wild creatures, but can not be increased once they are tamed.
5The Cnidaria is incapable of drowning.

Movement Speed
Movement Type Base Speed Sprinting Stamina Used
Walking 250 ? ?
Swimming 250 N/A

Attack Values
Melee Stamina Cost Attack Range Description
Base Minimum Activation The Cnidaria stings the target.
0 250 0 0
Attack Type Damage Projectile Values Torpor Values Status Effect: Stamina Status Effect: Torpidity
Life Impulse Radius Base Mult Duration Damage Mult Amount Duration Damage Mult Amount
Melee 30

Wild Stats Level-up

Type in values of a wild creature to see on which stats it's emphasized. Green values on a high-level creature are very good for breeding. If you have already tamed your creature you can try to recover the breeding-stats with an external tool.[1]


The stat-calculator does not work in the mobile-view, see here for alternatives: Apps

Note that after the creature is tamed it gets bonuses on some stats depending on the taming effectiveness. This makes it hard to retrieve the levels on a tamed creature, so this tool is only for wild ones, but gives a first impression, how well the stats are distributed.

Combat[edit | edit source]

This section describes how to fight against the Cnidaria.

General[edit | edit source]

They are aggressive and have a small aggro radius, but you should avoid contact at all cost. Be careful with most dinosaurs, as their stun attack can take even the strongest down.

Strategy[edit | edit source]

It’s best to stay out of their deadly attack, and fire at them with a bow or gun. Use their low speed to your advantage, and try not to get too close.

Weaponry[edit | edit source]

Using a Crossbow from a raft will work. Because they will kick riders off of their mounts, it is not recommended to attack them with a dino (other than a Basilosaurus). It is also possible to kite an offending Cnidaria to the shoreline from where you can shoot it without it being able to attack you.

If you are careful and don't approach too closely, a Tusoteuthis can effectively wipe out and harvest clusters of Cnidaria in a swift motion with its primary attack's large range and AOE.

A Mosasaur can also take on clusters of Cnidaria in a similar fashion as the Tusoteuthis, though with a slightly greater risk, as the Mosasaurs attack has less range and AOE, forcing you to get closer.

A Basilosaurus is effective against groups of Cnidaria as it is immune to the poison effect.

Plant Species X do not target Cnidaria.

Auto Turrets do not target Cnidaria.

Dangers[edit | edit source]

They will immobilize their prey on contact, damaging health at an alarming rate. While the player can fight back with a crossbow or a melee weapon, a mount will not be able to fight back and its rider will be kicked.

It is possible to free your mount from their grasp by taking the aggro.

Weakness[edit | edit source]

Relatively slow, low health pool.

Utility[edit | edit source]

Roles[edit | edit source]

  • Swarming Tactics/Troll: Despite being untameable and usually useless beyond harvesting their Bio Toxin, they can be utilized for the cheeky purpose of congregation. All one has to do is to take a sea creature that is immune to the electric shocks of the Cnidaria, like a Basilosaurus or Tusoteuthis, and aggro a group of them, allowing them to follow you wherever is desired. Knowing this, one can attract sizable swarms of these jelly-fish, which can be led to another survivor's underwater base(if unsufficiently protected) to harass, knock-out, and/or kill tames and survivors. This trick can also be applied in underwater combat(though only reliable in specific circumstances) when used as a small buffer to protect oneself or deter an enemy as well as stun-locking and eventually killing survivors and tames if given the chance.
  • Knock-Out:

Notes/Trivia[edit | edit source]

For information pertaining specifically to the real-world Cnidaria, see the relevant Wikipedia article

  • Dino Dossier was revealed on 09/30/15 on Steam.[2]
  • Cnidaria is actually the name of the phylum containing all jellyfish - plus corals, anemones, and other related animals.
  • Cnidaria's genus name comes from the Greek word knide, meaning 'nettle'. Its species name Omnimorph roughly translates to "all forms". This refers to the fact that it resembles many different species of jellyfish rather than just one, as Helena points out in the dossier.
  • Despite its similarities to real-world jellies, the Ark's Cnidaria can produce electricity, along with the explosive harpoon-like stinging cells called Nematocysts or Cnidocytes shared by all animals within the phylum Cnidaria, to tranquilize prey into submision.
  • Basilosaurus, Liopleurodon and Tusoteuthis are the only creatures that won't be paralyzed by Cnidaria, however Tusoteuthis's movement speed will be decreased if it's being zapped by them.
  • The dossier states that Cnidaria could be harvested and used for "technically advanced long-distance tranquilizers", referring to the Shocking Tranquilizer Dart you are able to craft from the Bio Toxin dropped by Cnidaria.
  • v253.9 brought the Cnidaria to The Center map.
  • Interestingly, the dossier calls it a herbivore but if forcetamed it will eat meat. This is most likely an oversight of the developers.

Gallery[edit | edit source]

References[edit | edit source]