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Alpha Mosasaur

CreatureVariant

  • Aquatic
  • Carnivore
  • Breedable
Alpha Mosasaur

Breeding calculator

Alpha Mosasaur

SettingsHatch 1× · Mature 1× · Food 1× · Weight 1,300

Baby: The hatched dinosaur, now a baby, needs constant attention and food placed directly in its inventory to survive, or a nearby Maewing to take care of its needs.

Gestation
8h 0m 0s
Maturation
185h 11m 6s
Food at birth
153/min

Maturation Progress

5%
Status:
Baby
Time Left:
175:55:32
Total Time:
185:11:06

Maturation

Incubation Time
8h 0m 0s
Elapsed Time
9h 15m 34s
Maturation Time Left
175h 55m 33s
Time to Juvenile
9h 15m 33s

Food

Total Food Items
17000items
Food to Adult
11093items
Food Per Hour
175
Food Capacity
650items
Baby Hand Feed For
4h 8m 14s7.2% maturation

Imprinting

Cuddle interval
8h
Imprint per cuddle
4.4%
Maximum imprint
100.0% (23 cuddles)
Settings8 h · interval ×1 · amount ×1

Raising food

Food per item
50
Stack size
40
Eats at 5%
145.35 food/min
Maturation
185h 11m 6s
StageTime remainingFood pointsRaw MeatStacksWeight
BabyNeed this much for 5% to 10%9h 15m 33s78,6251,57340157.3
JuvenileNeed this much for 10% to 50%74h 4m 26s476,0009,520238952
AdolescentNeed this much for 50% to 100%92h 35m 33s212,5004,250107425
Total175h 55m 33s15,3433851,534.3

Total: 15,343 Raw Meat

Feeding Trough
2,400 items (60 slots)Need 7 full loads
Tek Trough
4,000 items (100 slots)Need 4 full loads
Maewing / Maeguana
300 slots50% weight reduction on meat & berries
  • Baby - 14x trough refills needed (food spoils before phase ends)
  • Juvenile - 112x trough refills needed (food spoils before phase ends)
  • Adolescent - 139x trough refills needed (food spoils before phase ends)

Spoils in 10m | Trough / Maewing: 40m | Tek Trough: 16h 40m

At birth, baby holds ~80 food - refill every ~1 min

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.

More about breeding the Alpha Mosasaur

Instead of laying eggs, the Alpha Mosasaur carries its young through a gestation period. Gestation takes approximately 8 hours at default rates.

The baby Alpha Mosasaur takes approximately 7 days and 17 hours to fully mature at default rates - over an extremely long period, one of the longest in the game. During the baby phase (0–10%), hand-feed it directly. From 10% onward (juvenile), it can eat from a Feeding Trough.

Mutations can add +2 levels to any stat and change colors. Stacking mutations across generations is the key to min-maxed breeding lines. Use the breeding calculator to plan food requirements, incubation timers, and maturation phases.

The Alpha Mosasaur'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.

Imprinting during maturation provides permanent stat bonuses. At 100% imprint, the Alpha Mosasaur gains 30% bonus damage and resistance when ridden by the imprinter. Keep various kibble types on hand, as imprint requests are randomized between cuddles, walks, and kibble feeding.

Use the raising calculator to plan food requirements for raising Alpha Mosasaur babies through all three growth stages. Budget ~1111 minutes for the Baby phase - this is when hand-feeding or Maewing nursing is mandatory.

Adjust the dino count to calculate food for multiple Alpha Mosasaur babies at once - essential for batch breeding operations. Consider food spoilage when choosing what to feed: Kibble lasts days, while Raw Meat spoils in minutes.

Found throughout the ARKs, the Alpha Mosasaur is an aquatic, carnivore creature in ARK: Survival Ascended. It falls within the Ignore classification.

The Alpha Mosasaur has 54,000 base Health - extraordinarily tanky. With 100% base Melee Damage, the Alpha Mosasaur has solid damage output. Its base Stamina of 400 gives it solid stamina reserves. Weight capacity starts at 1300, giving it massive inventory space.

The Alpha Mosasaur roams the ARK as a wild, untamable creature. Breeding is via live birth rather than eggs, simplifying the process. A wild Alpha Mosasaur is worth 1600 base experience when killed. It can be cloned at a Cloning Chamber for 0.88 Element plus 0.01 Element per level.