Leedsichthys
Leedsichthys Dossier
LandCarnivoreBreedable

Leedsichthys

Water · 18 maps

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

Overview

The Leedsichthys is a massive aquatic carnivore found in ocean biomes. It excels at damaging structures, making it a niche siege mount in underwater bases. It can be airlifted by Quetzal or Karkinos for fast deployment.

Due to its size and role, it is primarily used in PvP scenarios to breach enemy underwater fortifications.

Spawn Locations

18 maps

Leedsichthys spawns in ocean biomes across 18 ARK maps. It is considered uncommon, so sightings are rare. Check the spawn map for green zones, which indicate higher spawn density.

Official
Mod Maps

Taming

The Leedsichthys cannot be tamed.

Leedsichthys is not tamable.

Drops & Harvest Resources

Killing a Leedsichthys yields Hide and Raw Prime Fish Meat. The Hatchet yields the most Hide.

%
%
Resource
PickPick
HatchetHatchet
40%~82~63 hits60%~123~50 hits
4%~4~63 hits4%~4~50 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

Leedsichthys takes +400% more damage from spike walls, making them extremely effective against it. It also suffers +120% more damage from instant damage sources like bear traps or Plant Species Y. Conversely, it is fully immune to mining drill harvest damage, taking -100% damage from that source. Melee attacks with impact effects and small ranged turrets are only half as effective.

MiningDrill Harvest
0%-100%
Dino AttacksStandard dino melee hits
50%-50%
Plant Species XPlant turret projectiles
50%-50%
Herbivore DinoHerbivore dino attacks
60%-40%
Stone WeaponsClub, slingshot (high torpor)
66%-34%
GenericFall damage, environmental
70%-30%

Kill XP

Wild Kill (1.25×)
Per Kill1,193 XP

15 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
4400.0+528.00+3.60%
StaminaStamina
500.0+50.00+2.00%
TorpidityTorpidity
4500.0+270.00+0.00%
FoodFood
8000.0+800.00+2.00%
WeightWeight
1800.0+36.00+0.80%
Melee Damage MultiplierMelee Damage Multiplier
100.0%+0.00%+10.00%
Speed MultiplierSpeed Multiplier
100.0%+0.00%+1.00%

Hitbox Multipliers

The head is a weak point, taking 1.5× damage. Target the head for faster knockouts or kills.

Headc_jaw
1.50x

Can break Thatch and Wood. Build at least in Stone.

ThatchThatch
WoodWood
StoneStone
MetalMetal
TekTek
AttackBaseThatchWoodStoneMetalTek
BiteCarnivore Large HurtRaft115632.5345.0

Numbers reflect base melee at level 1, 100% TE, no imprint. The damage calculator lets you scale by melee %, server multipliers, and pick a specific structure for exact hit counts.

Tools & Guides

Leedsichthys Tips & Tricks

Leedsichthys takes +400% more damage from spike walls, making them ideal for defensive setups.

It is highly vulnerable to instant damage sources like Bear Traps and Plant Species Y, which deal +120% damage.

Explosives and demolition damage deal +50% more damage, making rockets and grenades effective in combat.

It resists Mining Drill Harvest completely, taking no damage from that source.

Melee and small turret damage are only half as effective due to its -50% resistance.

This page details the Leedsichthys's stats, damage modifiers, structure damage capability, and spawn information. For further planning, refer to the taming calculator, breeding calculator, and spawn map.