How to Tame X-Mosasaurus in ARK
Complete walkthrough for taming X-Mosasaurus: gear, food, knockout strategy, and tips.
Quick Facts
- Diet
- Carnivore
- Temperament
- Aggressive
- Tame Method
- Knockout
- Rideable
- Yes
X-Mosasaurus Taming Details
X-Mosasaurus is a knockout tame. Its most effective taming food is Kibble (preferred) or Raw Mutton.
Alternative foods: Cooked Lamb Chop, Raw Prime Meat, Cooked Prime Meat, Raw Meat.
Taming Steps
1. Prepare your gear
Bring Tranq Arrows or Tranq Darts, a Crossbow or Longneck Rifle, Narcotics or Narcoberries, and bug repellent.
2. Locate the creature
Find a wild X-Mosasaurus on supported maps. Check the spawn map and bring a fast mount or a flyer for transport.
3. Knock it out
X-Mosasaurus is a knockout tame. Use a Crossbow, Longneck Rifle with Tranq Darts, or Shocking Tranq Darts. Aim for the head for bonus torpor and keep distance to avoid aggro damage.
4. Feed the right food
Place Kibble (preferred) or Raw Mutton in its inventory (alternatives: Cooked Lamb Chop, Raw Prime Meat, Cooked Prime Meat, Raw Meat). Higher-tier food gives faster taming and higher level bonuses.
5. Maintain torpor
Watch the torpor bar. Feed Narcoberries or Narcotics to prevent it from waking up before the tame completes.
6. Claim & saddle
Once tamed, equip a saddle (unlocks via the engram tab) to ride your X-Mosasaurus.
X-Mosasaurus base stats
Level 1 wild values, with the gain each point adds in the wild and after taming.
| Stat | Base | Per wild level | Per tamed level |
|---|---|---|---|
| Health | 3600 | +12.0% | +21.0% |
| Stamina | 400 | +10.0% | +10.0% |
| Oxygen | 150 | +10.0% | +10.0% |
| Food | 8000 | +10.0% | +10.0% |
| Weight | 1300 | +2.0% | +4.0% |
| Melee damage | 1 | +5.0% | +10.0% |
| Movement speed | 1 | +0.0% | +0.5% |
| Torpidity | 3000 | +6.0% | +0.0% |
Taming & saddle figures
Breeding & movement
Where it spawns & other details
X-Mosasaurus spawns on Genesis: Part 1, Genesis Part 1, Fjordur.
X-Mosasaurus variants
- Brute X-Mosasaurus (Genesis: Part 1)
Related tools & resources
X-Mosasaurus — Background & Lore
The X-Mosasaurus is the ocean X-variant of the 
Mosasaurus from Genesis Part 1. It is an aggressive giant of the deep sea that can be tamed, ridden and bred, and one of the hardest tames on the map.
Where to find it
- ASA: the deep ocean of Genesis Part 1.
- ASE: the deep ocean of Genesis Part 1, and also Fjordur.
Taming
A knockout tame with very high torpor that drains fast once it is down. Bring a lot of narcotics and a strong escort, and expect a long feeding.
Breeding
- Birth: live birth after about 7.9 hours of gestation.
- Growth: a baby takes about 7.7 days to mature at 1x.
Uses
Top-tier ocean combat and deep-water travel.
Tips
The long growth time means a bred line takes real planning, but it saves you repeating this tame.