X-Mosasaurus
X-Mosasaurus Overview
X-Mosasaurus is an aquatic carnivore in ARK: Survival Ascended, provides safe and efficient underwater traversal with good utility. As a carnivore, it responds to knockout taming - favoring Exceptional Kibble - and ships with 1300 base Weight, providing excellent carrying capacity. Reproduction is by live birth following gestation; juveniles mature at a glacially slow pace - plan for a multi-day commitment. Its harvest profile centers on Hide, Raw Prime Meat, making farming runs noticeably faster. Players who invest in one tend to keep it long after the early game has been left behind.
Spawn Locations
X-Mosasaurus does not currently spawn on any ARK: Survival Ascended map, or spawn data is not yet available.
X-Mosasaurus Taming Calculator
Open Calculator→| Food | Qty | Time | Effectiveness |
|---|---|---|---|
 Exceptional KibbleBest | 23 | 36:19 | 74 Lvl (224) |
 Raw Mutton | 68 | 1:02:58 | 74 Lvl (224) |
 Raw Prime Meat | 85 | 1:18:43 | 74 Lvl (224) |
 Cooked Lamb Chop | 125 | 1:55:37 | 74 Lvl (224) |
 Raw Meat | 253 | 3:54:16 | 72 Lvl (222) |
| +6 more in calculator→ | |||
Breeding
Open Calculator →Quick Info
XP Calculator
Full Calculator→Kill XP
Wild Kill (1.25×)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.
Saddle Crafting XP
Base × 1× quality × 4 × 1× server
Drops & Harvest Resources
The X-Mosasaurus's corpse can be harvested for Hide, Raw Prime Meat. The corpse has 2,000 harvest health, allowing multiple hits before it's fully depleted.
The harvest table below breaks down exact yields per tool. Choose your tool based on which resource you're after - yields vary significantly.
| Resource |  Pick |  Hatchet |
|---|---|---|
| 40%~82~63 hits | 60%~123~50 hits | |
| 4%~4~63 hits | 4%~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
The X-Mosasaurus has 14 damage type modifiers that affect incoming damage. With 7 resistances and 6 weaknesses, its biggest vulnerability takes +400% extra damage - exploit that for faster kills. See the full breakdown in the table below. Values under 100% indicate resistance, above 100% indicate weakness.
Base Stats
Full Stats→| Stat | Base (Lv.1) | Wild +/Lv | Tamed +/Lv |
|---|---|---|---|
 Health | 3492.0 | +419.04 | +3.50% |
 Stamina | 400.0 | +40.00 | +2.00% |
 Torpidity | 3000.0 | +180.00 | +0.00% |
 Food | 8000.0 | +800.00 | +2.00% |
 Weight | 1300.0 | +26.00 | +0.80% |
 Melee Damage Multiplier | 105.0% | +5.25% | +10.00% |
 Speed Multiplier | 100.0% | +0.00% | +0.50% |
Hitbox Multipliers
Aiming matters - the X-Mosasaurus has 1 hitbox region with distinct damage modifiers. Hit the Head (1.5x multiplier) for the highest damage per shot.
Can Damage
Open damage calculator →The X-Mosasaurus can damage: Thatch, Wood. Lower-tier structures are at risk - Stone walls or better will keep the X-Mosasaurus out.
Thatch
Wood
Stone
Metal
Tek| Attack | Base | Thatch | Wood | Stone | Metal | Tek |
|---|---|---|---|---|---|---|
| Attack 1Carnivore Large | 100 | 550.0 | 300.0 | — | — | — |
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
X-Mosasaurus Tips & Tricks
Read and share community tips for the X-Mosasaurus in ARK: Survival Ascended. Look for taming trap blueprints, ammo counts, and advice on avoiding accidental kills during knockout.
Everything you need to know about the X-Mosasaurus 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.
At base level the X-Mosasaurus has 3,492 base Health, 105% base Melee Damage, 1300 base Weight. Use the taming calculator to project how these stats grow through wild levels and taming effectiveness.
The X-Mosasaurus is a knockout tame - render it unconscious with torpor weapons, then feed it Exceptional Kibble for the fastest results. Our taming calculator shows exact food quantities, narcotics needed, and time estimates for every level.
The X-Mosasaurus gives live birth after a gestation period. Babies mature in 7 days and 17 hours. Check the breeding calculator for detailed imprint schedules and raising costs.
Once tamed, the X-Mosasaurus can harvest Hide, Raw Prime Meat. Visit the information tab for the full harvest table with quantities and efficiency data.