Leech
Leech Dossier
LandHerbivoreBreedable

Leech

17 maps

Official servers currently have boosted rates! You don't need to change settings in our calculator.

Overview

The Leech is a small Herbivore found in aquatic environments. It can be bred and damages structures, making it useful for minor sabotage or farming in water-rich areas. Players may tame it for its unique utility in specific environmental conditions.

It can be airlifted by Quetzal or Karkinos for fast deployment.

Spawn Locations

17 maps

Leeches spawn commonly in caves, freshwater, and swamp biomes. They appear across 17 ARK maps, typically near submerged or damp areas where visibility is low and terrain restricts movement.

Official
Mod Maps

Taming

The Leech cannot be tamed.

Leech is not tamable.

Drops & Harvest Resources

Killing a Leech yields Chitin, Silica Pearls, Oil, Leech Blood, and Raw Meat. The Pick yields the most Raw Meat, while other resources are best harvested with standard tools.

%
%
Resource
PickPick
HatchetHatchet
50%~6~4 hits50%~6~3 hits
6%~0~4 hits6%~0~3 hits
10%~1~4 hits10%~1~3 hits
50%~3~4 hits50%~3~3 hits
40%~2~4 hits20%~1~3 hits

Estimates based on game-extracted data (weights, quantities, harvest multipliers, damage type chains). Each harvest event independently rolls each resource - higher weight = higher drop chance. Actual yields vary with RNG.

Damage Resistances

The Leech has a critical vulnerability to Melee TorpPoison ChitinPaste, taking +600% more damage. It also takes +120% more damage from Instant HurtDinos and +55% more from Melee DmgMetal RaidDino. Spike walls reduce damage by 50%, making them effective for defense.

Spike WallSpike wall traps
50%-50%
Dino AttacksStandard dino melee hits
50%-50%
Plant Species XPlant turret projectiles
50%-50%
ExplosionsC4, Rockets, Grenades
60%-40%
Stone WeaponsClub, slingshot (high torpor)
66%-34%
GenericFall damage, environmental
70%-30%

Kill XP

Wild Kill (1.25×)
Per Kill80 XP

1 base × 15.9 level × 4 × 1.25× wild kill × 1× server

Server Settings(Game.ini)

Official servers use non-1× defaults; the values above already reflect official rates.

StatBase (Lv.1)Wild +/LvTamed +/Lv
HealthHealth
40.0+8.00+4.00%
StaminaStamina
100.0+10.00+2.00%
TorpidityTorpidity
50.0+3.00+0.00%
FoodFood
450.0+45.00+2.00%
WeightWeight
10.0+0.20+0.80%
Melee Damage MultiplierMelee Damage Multiplier
100.0%+5.00%+10.00%
Speed MultiplierSpeed Multiplier
100.0%+0.00%+1.00%

Tools & Guides

Leech Tips & Tricks

The Leech takes 600% more damage from Torpor-based melee attacks, making it extremely vulnerable during knockout attempts.

It is highly susceptible to instant damage effects, taking 120% more damage from sources like Instant HurtDinos.

Melee attacks that deal Metal damage are 55% more effective against the Leech.

Spike walls reduce incoming damage by 50%, making them a strong defensive option.

This page details the Leech's stats, breeding, harvest data, and combat characteristics. For further planning, refer to the taming calculator, breeding calculator, and spawn map.