Leech
Found across 16 maps in oceans, deep rivers, and underwater caves. Green zones have the highest spawn density. Each species has a population cap per area, so wiping out other creatures nearby can trigger new Leech spawns.
Click any cell for exact spawn chance and nearby spawn groups. Zoom in for detail.
Leech is not tamable.
1 base × 15.9 level × 4 × 1.25× wild kill × 1× server
Official servers use non-1× defaults for kill-type multipliers. Adjust these if your server uses custom Game.ini values.
The Leech's corpse can be harvested for Chitin, Silica Pearls, Oil, Leech Blood, Raw Meat. The corpse has 100 harvest health, allowing multiple hits before it's fully depleted.
Consult the harvest breakdown table to optimize your tool choice. Resource quantities depend on the tool used, the creature's harvest health, and your server's harvest rate.
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.
The Leech has 14 damage type modifiers that affect incoming damage. It shrugs off 7 damage types but is weak to 6, with its worst vulnerability at +600%. Focus damage there for maximum efficiency. See the full breakdown in the table below. Values under 100% indicate resistance, above 100% indicate weakness.
| Stat | Base (Lv.1) | Wild +/Lv | Tamed +/Lv |
|---|---|---|---|
| 40.0 | +8.00 | +4.00% | |
| 100.0 | +10.00 | +2.00% | |
| 50.0 | +3.00 | +0.00% | |
| 450.0 | +45.00 | +2.00% | |
| 10.0 | +0.20 | +0.80% | |
| 100.0% | +5.00% | +10.00% | |
| 100.0% | +0.00% | +1.00% |
The Leech can damage: Thatch. It can break through Thatch and Wood, so upgrade to Stone at minimum for protection.
Read and share community tips for the Leech in ARK: Survival Ascended.
Everything you need to know about the Leech in ARK: Survival Ascended is collected here. Use the stat overview, taming summary, and breeding details below to plan your approach, then explore the dedicated tool pages for step-by-step help.
The Leech starts with 40 base Health, 100% base Melee Damage, 10 base Weight. These base values scale with each wild and tamed level-up, so check the taming calculator to see exactly what stats you can expect at different levels.
The Leech gives live birth after a gestation period. Babies mature in 3 days and 20 hours. Check the breeding calculator for detailed imprint schedules and raising costs.
Once tamed, the Leech can harvest Chitin, Silica Pearls, Oil, Leech Blood and 1 more resources. Visit the information tab for the full harvest table with quantities and efficiency data.
The Leech, an aquatic, herbivore creature in ARK: Survival Ascended, is a notable presence across multiple maps.
Its base Stamina of 100 gives it tires quickly. Dealing 100% base Melee Damage, the Leech brings decent hitting power to the table. The Leech has 40 base Health - extremely fragile. A base Weight of 10 means minimal inventory space.
The Leech cannot be tamed and must be dealt with through combat or avoidance. Defeating one in the wild grants 1 base XP. It can be cloned at a Cloning Chamber for 0 Element plus 0 Element per level.