
Rex
The Rex is one of the most iconic creatures in ARK. A powerful carnivore, often used as a combat mount for boss fights and base raids.
Full Rex wiki pageARK creature comparison
Side-by-side ARK creature comparison: stats, traits and which is better.

The Rex is one of the most iconic creatures in ARK. A powerful carnivore, often used as a combat mount for boss fights and base raids.
Full Rex wiki page
A large aquatic creature capable of equipping a platform saddle. Great for underwater bases and combat.
Full Plesiosaur wiki pageOverall winner: Plesiosaur
Plesiosaur comes out ahead on raw power (score 60/100, tier B) and wins 4/4 compared stats.
Stat wins: Rex 0 – 4 Plesiosaur. Auto-generated summary computed from base stats — a community estimate, not an official ranking.
| Stat | Rex | Plesiosaur | Winner |
|---|---|---|---|
| Diet | Carnivore | Carnivore | — |
| Temperament | Aggressive | Aggressive | — |
| Tameable | Yes | Yes | — |
| Rideable | Yes | Yes | — |
| Health | 1100 | 2400 | Plesiosaur |
| Stamina | 420 | 800 | Plesiosaur |
| Oxygen | 150 | 150 | Tie |
| Food | 3000 | 5000 | Plesiosaur |
| Weight | 500 | 800 | Plesiosaur |
| Melee Damage | 1 | 1 | Tie |
| Movement Speed | 1 | 1 | Tie |
| Torpor | 1550 | 1600 | — |