Cosmo
Shoulder Pet · 15 maps
Overview
Cosmo is a small carnivore that functions as a shoulder pet. It is tamed passively by offering food and provides no weight reduction or gathering benefits. Its primary value lies in its ability to be carried by larger creatures for transport and utility roles.
It can be airlifted by Argentavis, Desmodus, Griffin, Karkinos, Megalosaurus, Tropeognathus, Kaprosuchus, Procoptodon, Pteranodon, Quetzal, Tapejara, or Tusoteuthis for fast deployment.
Spawn Locations
15 mapsCosmo spawns in bio-zones, caves, and fertile zones. It is very rare and appears across 15 ARK maps. Players can use the spawn map to locate it, with green zones indicating higher spawn density.
Each shape is a real spawn volume. Click for exact chance and zone info.
Cosmo is tamed passively by feeding it directly. The best food is Plant Species Z Seed, which provides the fastest taming. Ascerbic Mushroom also works but is significantly slower.
No immobilization is required. The taming process takes about 1 minute with Plant Species Z Seed at level 224 with 100% effectiveness. Use the calculator below for your settings.
| Food | Qty | Time | Effectiveness |
|---|---|---|---|
 Plant Species Z SeedBest | 3 | 2 | 74 Lvl (224) |
 Ascerbic Mushroom | 13 | 12 | 72 Lvl (222) |
 Chitin | 19 | 18 | 69 Lvl (219) |
 Seeds | 934 | 15:33 | 0 Lvl (150) |
Drops & Harvest Resources
Killing Cosmo yields Hide and Raw Meat. The Hatchet yields the most Hide, while the Pick favors Raw Meat.
Estimates based on game-extracted data (weights, quantities, harvest multipliers, damage type chains). Each harvest event independently rolls each resource - higher weight = higher drop chance. Actual yields vary with RNG.
Damage Resistances
Cosmo takes +120% more damage from Instant HurtDinos, making it highly vulnerable to instant-damage sources. It is fully resistant to Radiation and Mining Drill Harvest, taking 100% less damage. Explosion and melee attacks with a metal weapon also deal increased damage. Level Health and Melee Damage to survive longer in combat.
| Stat | Base (Lv.1) | Wild +/Lv | Tamed +/Lv |
|---|---|---|---|
 Health | 115.0 | +23.00 | +4.00% |
 Stamina | 100.0 | +10.00 | +2.50% |
 Torpidity | 60.0 | +3.60 | +0.00% |
 Oxygen | 200.0 | +24.00 | +2.30% |
 Food | 450.0 | +45.00 | +2.00% |
 Weight | 70.0 | +1.40 | +0.80% |
 Melee Damage Multiplier | 100.0% | +5.50% | +11.00% |
 Speed Multiplier | 100.0% | +0.00% | +1.00% |
Hitbox Multipliers
Cosmo has a head hitbox that takes 3× damage. Targeting the head speeds up knockout.
Can Damage
Can break Thatch only. Build at least in Wood.
Thatch
Wood
Stone
Metal
Tek| Attack | Base | Thatch | Wood | Stone | Metal | Tek |
|---|---|---|---|---|---|---|
| MeleeCarnivore Small | 12 | 66.0 | — | — | — | — |
Numbers reflect base melee at level 1, 100% TE, no imprint. The damage calculator lets you scale by melee %, server multipliers, and pick a specific structure for exact hit counts.
Tools & Guides
Cosmo Tips & Tricks
Cosmo takes +120% more damage from instant-damage sources, making it extremely fragile in combat.
It is fully immune to Radiation, making it safe to carry through irradiated zones.
It cannot be damaged by Mining Drills, which deal 100% less damage.
It is weak to Explosion and metal melee attacks, taking +50% more damage.
Its ranged attack has a cooldown of 3 seconds and reaches up to 18 meters.
It can be carried by flyers such as Argentavis or Quetzal for mobile utility.
This page details Cosmo's stats, taming requirements, breeding conditions, harvest output, and combat properties. For further planning, refer to the taming calculator, breeding calculator, and spawn map.