Alpha Rex
CreatureVariant
Breeding calculator
Alpha Rex
SettingsHatch 1× · Mature 1× · Food 1× · Weight 500
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.
- Incubation
- 4h 59m 58s
- Maturation
- 92h 35m 33s
- Incubation temperature
- 32 - 34 °C
- Food at birth
- 70.81/min
Maturation Progress
- Status:
- Baby
- Time Left:
- 87:57:46
- Total Time:
- 92:35:33
Maturation
- Incubation Time
- 4h 59m 58s
- Elapsed Time
- 4h 37m 47s
- Maturation Time Left
- 87h 57m 46s
Time to Juvenile- 4h 37m 47s
Food
- Total Food Items
- 3934items
- Food to Adult
- 2567items
- Food Per Hour
- 81
Food Capacity- 250items
Baby Hand Feed For- 1h 1m 55s6.1% maturation
Imprinting
- Cuddle interval
- 8h
- Imprint per cuddle
- 8.8%
- Maximum imprint
- 96.8% (11 cuddles)
Settings8 h · interval ×1 · amount ×1
Raising food
- Food per item
- 50
Stack size- 40
- Eats at 5%
- 67.27 food/min
- Maturation
- 92h 35m 33s
| Stage | Time remaining | Food points | Raw Meat | Stacks | Weight |
|---|---|---|---|---|---|
| BabyNeed this much for 5% to 10% | 4h 37m 46s | 18,194 | 364 | 10 | 36.4 |
| JuvenileNeed this much for 10% to 50% | 37h 2m 13s | 110,146 | 2,203 | 56 | 220.3 |
| AdolescentNeed this much for 50% to 100% | 46h 17m 46s | 49,172 | 984 | 25 | 98.4 |
| Total | 87h 57m 46s | 3,551 | 91 | 355.1 |
Total: 3,551 Raw Meat
- Feeding Trough
- 2,400 items (60 slots)Need 2 full loads
Tek Trough- 4,000 items (100 slots)Fits in one load
- Maewing / Maeguana
- 300 slots50% weight reduction on meat & berries
- Baby - 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.
More about breeding the Alpha Rex
The Alpha Rex reproduces by laying fertilized eggs after mating. Incubation temperature must stay between 32°C and 34°C - use Air Conditioners, Standing Torches, or Dimetrodons to maintain the range. At the correct temperature, the egg hatches in approximately 4 hours and 59 minutes.
Full maturation from baby to adult takes ~3 days and 20 hours (1x rate), progressing 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.
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.
Maturation has three phases: Baby (0–10%) lasts ~556 min and requires constant hand-feeding. Juvenile (10–50%) spans ~37h - it can eat from a Trough now. Adolescent (50–100%) takes ~46h - continues eating from troughs, nearly fully grown.
Imprint bonuses are significant: a fully imprinted Alpha Rex gains 30% extra damage and damage resistance with its imprinter mounted. You'll be asked to cuddle, walk, or feed specific kibble at regular intervals during maturation.
The raising calculator above shows exactly how much food you need for each maturation phase of the Alpha Rex. Budget ~556 minutes for the Baby phase - this is when hand-feeding or Maewing nursing is mandatory.
Raising multiple Alpha Rex simultaneously? Set the dino count and the calculator scales food requirements automatically. Different food types have different spoil timers - factor that into which food you stockpile.
The Alpha Rex, a carnivore creature in ARK: Survival Ascended, is well-known across multiple maps. It falls within the Ignore classification.
Stamina sits at 420 base, providing good endurance. With 100% base Melee Damage, the Alpha Rex has respectable melee power. With 17,500 base Health, the Alpha Rex is extraordinarily tanky. Weight capacity starts at 500, giving it excellent carrying capacity.
The Alpha Rex is a wild creature that cannot be tamed through conventional methods. A wild Alpha Rex is worth 885 base experience when killed.