X-Mosasaurus
Variant
X-Mosasaurus Egg & Breeding Calculator
After hatching or birth, the baby X-Mosasaurus matures at a glacially slow pace - plan for a multi-day commitment, reaching adulthood in about 7 days and 17 hours at 1x maturation. The most labor-intensive part is the baby phase (0–10% maturation) when it can't use a Feeding Trough yet.
Offspring inherit parental stats and have a small chance to mutate, gaining +2 levels in a random stat. Use the breeding calculator to plan food requirements, incubation timers, and maturation phases.
The X-Mosasaurus's growth progresses through three stages: Baby (0–10%) lasts ~1111 min and requires constant hand-feeding. Juvenile (10–50%) spans ~74h - it can eat from a Trough now. Adolescent (50–100%) takes ~93h - continues eating from troughs, nearly fully grown.
Imprint bonuses are significant: a fully imprinted X-Mosasaurus gains 30% extra damage and damage resistance with its imprinter mounted. Imprint requests include cuddling, walks, and specific kibble - check the wiki for which kibble to stockpile.
Incubation Time
4h 0m 0s
Elapsed Time
4h 37m 47s
Maturation Time Left
87h 57m 46s
Time to Juvenile
4h 37m 47s
Total Food Items
8500
items
Food to Adult
5547
items
Food Per Hour
175
Food Capacity
650
items
Baby Hand Feed For
37m 3s
5.7% maturation
Cuddle Interval
0s
Imprint Per Cuddle
0%
Max Imprint
0.0%
Use the raising calculator to plan food requirements for raising X-Mosasaurus babies through all three growth stages. The Baby phase (0–10%) takes ~1111 minutes and is the most hands-on, requiring direct feeding or a Maewing.
The multiplier feature helps plan large-scale X-Mosasaurus raises by totaling food across all babies. Consider food spoilage when choosing what to feed: Kibble lasts days, while Raw Meat spoils in minutes.
Raising CalculatorFrom 5% - use slider above to adjustFood per item
50
Stack size
40
Eats at 5%
145.35 food/min
Maturation
92h 35m 33s
| Phase | Duration |  Raw Meat |
|---|---|---|
 BabyNeed this much for 5% to 10% | 4h 37m 46s | 787 |
 JuvenileNeed this much for 10% to 50% | 37h 2m 13s | 4,760 |
 AdolescentNeed this much for 50% to 100% | 46h 17m 46s | 2,125 |
 Total | 87h 57m 46s | 7,672 |
WeightFeeding Trough
2,400 items(60 slots)
Need 4 full loads
Tek Trough
4,000 items(100 slots)
Need 2 full loads
Maewing / Maeguana
300 slots
50% weight reduction on meat & berries
At birth, baby holds ~80 food - refill every ~1 minBaby- 7x trough refills needed (food spoils before phase ends)Juvenile- 56x trough refills needed (food spoils before phase ends)Adolescent- 70x trough refills needed (food spoils before phase ends)Spoils in 10m|Trough / Maewing: 40m|
Tek Trough: 16h 40m
During the Baby phase (0-10%), you must hand-feed or use a Maewing to nurse. From Juvenile (10%+), dinos can eat from a Feeding Trough on their own. Use Preserving Salt in troughs to double spoil times.
The X-Mosasaurus is a tamable, carnivore creature in ARK: Survival Ascended. It belongs to the Variant category.
Its base Stamina of 400 gives it solid stamina reserves. Melee starts at 105% - respectable melee power that scales with level-ups. With 3,492 base Health, the X-Mosasaurus is an absolute bullet sponge. A base Weight of 1300 means excellent carrying capacity.
The X-Mosasaurus is a knockout tame: apply enough torpor to knock it out, then place food in its inventory. Exceptional Kibble is the most effective food for taming, offering the highest affinity per feeding.
As a tame, the X-Mosasaurus combines solid harvesting capability with generous carrying capacity. Defeating one in the wild grants 15 base XP. It can be cloned at a Cloning Chamber for 0.88 Element plus 0.01 Element per level.