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Leech

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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
Leech
Species
Haementeria laetus
Time Period
Holocene
Diet
Sanguinivore
Temperament
Passive - Aggressive
Logo Steam.png 242.0
June 2, 2016
Logo Xbox One.svg 737.0
June 15, 2016
Logo PS4.svg 501.0
December 6, 2016
Variants
Spawn Command
admincheat summon Leech_Character_C
or
admincheat SpawnDino "Blueprint'/Game/PrimalEarth/Dinos/Leech/Leech_Character.Leech_Character'" 500 0 0 35
Variant Diseased Leech
admincheat summon Leech_character_Diseased_C
or
admincheat SpawnDino "Blueprint'/Game/PrimalEarth/Dinos/Leech/Leech_Character_Diseased.Leech_Character_Diseased'" 500 0 0 35
Data
XP For Kill
2 XP
Feces Size
Habitat

 
 Very Common
For a more exact spawn map, see Spawn Map (The Island)

 
 Uncommon
For a more exact spawn map, see Spawn Map (The Center)

The Leech 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.

NoteHelena.png
Wild

It is difficult to be angry with Haementeria laetus, despite its rather terrible nature. The creature has practically no intelligence, and just attaches to any nearby living flesh in an attempt to drain that creature's blood.

Removing Haementeria requires precision bladework, or access to an open flame. Both of these can be nearly as dangerous to the host as to the leech itself.

Once Haementeria attaches to a host, it drains blood at a rapid pace, and the host experiences hunger, loss of health, and lowered stamina. Some Haementeria are also carriers for a dangerous disease I've dubbed "Swamp Fever," which persists beyond the leech's own lifespan. Few creatures on the Island are transmitters for this disease, and it can ultimately be cured with a rare medicine.

Domesticated

While Haementeria is not intelligent enough to be tamed, it is always useful to keep a few around for antidotes and fishing lures. When processed properly, Haementeria venom can be made into a powerful antivenom!

~ Helena

Behavior[edit | edit source]

Diseased Leech[edit | edit source]

The Diseased Leech.png Diseased Leech is a variant of the Leech.png Leech distinguished by its red and orange color scheme as well as its name in the HUD. It transmits Swamp Fever, which can be cured with Lesser Antidote.png Lesser Antidote. The carcass of the Diseased Leech can also be harvested for significantly more Leech Blood.png Leech Blood than its normal variant.

Appearance[edit | edit source]

One of the most revolting creatures that inhabits the island is Haementeria laetus, a leech that grows as long as a man's arm. A blood parasite, the soft-bodied creature actively seeks out hosts in the swamps it calls home, propelling itself with fluttering fins and latching on with a mouth full of sharp rasping teeth.

In the wild, leeches are the primary vector for a debilitating disease commonly known as swamp fever.




Color Scheme and Regions

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

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


Drops[edit | edit source]

* The Diseased Leech drops significantly more Leech Blood than its normal variant.

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 Taming Bonus
Wild Domesticated1 Add Mult
Health.png Health 40 +8 +0%
Stamina.png Stamina 100 +10 +0%
Oxygen.png Oxygen N/A5 N/A N/A
Food.png Food 450 +45 +0%
Weight.png Weight 150 +3 +0%
Melee Damage.png Melee Damage 72 +0.35 +0%
Movement Speed.png Movement Speed 100% N/A3 +0%
Torpor.png Torpor 0 +0 N/A4

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
4Torpor increases every level on wild creatures, but can not be increased once they are tamed.
5The Leech is incapable of drowning.

Movement Speed
Movement Type Base Speed Sprinting Stamina Used
Wild Domesticated
Walking 50  ?  ?  ?
Swimming 70 N/A N/A N/A


Attack Values
Melee Stamina Cost Attack Range Description
Base Minimum Activation The Leech bites the target until it can latch onto its host. While leeched, both the host's Health.png Health and Stamina.png Stamina will slowly drop. If it is a Diseased Leech, Swamp Fever.png Swamp Fever may be transmitted to a Human host.
0 150 0 200
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 7



The Diseased Leech has the same values except of Health, which is 120.

Combat[edit | edit source]

This section describes how to fight against the Leech.

General[edit | edit source]

  • To get rid of a leech that is already hanging on your body you need fire, e.g. a Campfire.png Campfire or a Cooking Pot.png Cooking Pot. Jump into the burning fire for a short time, the leech will then disappear.
  • To remove a leech from a creature, press and hold the Use key (E by default) and select remove leech from the menu that appears.
  • There is a diseased variant of this creature (Diseased Leech). You can cure the disease by consuming Lesser Antidote.png Lesser Antidote.

Strategy[edit | edit source]

  • Bug Repellant.png Bug Repellant will make you invisible to all leeches even if you touch them. If you attack them, however, they will still be aggressive.
  • Travel well-mounted; you need something tall enough to keep you out of the water and large enough that you stay standing on its back when dismounted. This way you can remove leeches from your mount without having to expose yourself to them.
  • If your mount needs an escort in the swamps, use a flock of flyers; ground-bound escorts are likely to be leeched without you noticing, and if you do notice, you will have to step entirely off your mount to remove them, potentially exposing yourself to other leeches.
  • Keep your eyes peeled; use your mount's attacks to 'plow the road' in front of you as you navigate the swamps in the hopes of killing leeches before they latch on.
  • If you see a leech from far enough away, attack it with ranged weapons to kill it before it has a chance to latch on; once they do, it will not be possible to harvest them even if you remove them.
  • At present, all mounts are immune to Swamp Fever; only humans and Dodos can catch it.
  • Leeches don't attack or attach themselves to tamed Beezlebufos and any other mounts native to the swamp, making them great for hunting Leeches.

Weaponry[edit | edit source]

  • The leech does not require any serious weapons to kill, although killing it before it reaches melee range is valuable; try to finish it with ranged weapons or, failing that, hold it at a distance with spear or pike.

Dangers[edit | edit source]

  • Make sure to bring a friend with you, or stay out of its attack range with a tall mount. If the leeches latch onto you, another player is the fastest way to remove it; if it's attached to your mount, you can remove it yourself.
  • When they attach onto you, you wont regenerate stamina, and you will lose health slowly. Make sure to use that remaining stamina to get to a safe place fast.
  • Leeches are often found in areas that contain other dangerous enemies. Beware they don't weaken you at a fatal moment.

Weakness[edit | edit source]

  • As it is harmless unless entering melee range, ranged weapons are ideal.

Spotlight[edit | edit source]

Notes/Trivia[edit | edit source]

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

  • Dino Dossier was revealed on 02/08/16 on Steam.[1]
  • The Leech's genus, Haementeria, refers to a modern genus of leeches which includes the Amazon Giant Leech, which can grow up to 17 inches.
  • In The Center, Leeches are more commonly found in deep water that the player can submerge him or herself in.
  • When going into certain waters while raining a swarm of Leeches will come after you. Which will allow you to obtain large amounts of Meat, Chitin, Leechblood and Silica Pearls.
  • A maximum of 6 leeches can latch onto you and your dinos. The rest will bite you and your dinos to death.
  • Harvesting leeches with the megatherium will get you hundreds of chitin.

Gallery[edit | edit source]

References[edit | edit source]