Best way right nowKoi Egg
Steal a Koi Egg from the nests in the Cherry Blossom biome (they refill every 5 minutes) or from another player's base, then hatch it in your pen. It takes 25m to hatch.
CosmicPets#91 of 194
Koi
Normal base income12M/s
Mutation
Details
- Found in
- Cherry Blossom
- Hatch time
- 25m
- Rarity
- Cosmic 7/11
- Category
- Pets
- Normal weight
- 120 kg
- Last updated
- 3 days ago
- Source
- Steal An Egg Wiki · Koi
Koi by weight
Type your own kg →Normal120 kg12M/s
2x240 kg18.4M/s
10x1,200 kg49.6M/s
50x6,000 kg134M/s
125x15,000 kg236M/s
500x60,000 kg410M/s
Income by weight before any colour mutation. Growth slows past 125x the normal weight.
Base income history
- Change · All
- -
- High
- -
- Low
- -
- Now
- -
Value changes
No changes since we started tracking on Sep 28, 2026. When Steal An Egg buffs or nerfs Koi, it shows up here.
What is Koi in Steal An Egg?
Koi is a Cosmic pet in Steal An Egg. Its base income is 12M/s, 91st of 194 pets we track and 11th among 32 Cosmic ones. It hatches from the Koi Egg in 25m, found in the Cherry Blossom biome.
- Rarity
- Cosmic
- Pet
- Pets
- Base income
- 12M/s
- Rank
- #91 of 194
- Hatch time
- 25m
- Egg
- Koi Egg
- Index reward
- +4.2m Speed, $1.2b
How to get Koi
Related: 
Kitsune
Oni Tiger
Stag
Snowy Owl
Where this comes from
Built from our Steal An Egg data, checked 2026-10-04, using the sources below.
Wikis
- Steal An Egg Wiki · Koi
- stealaneggwiki.com all eggs (income + hatch time)
- stealaneggwiki.net eggs (income + index reward)
- robloxgameswiki all pets (rarity bands and counts)
- Item images: stealanegg.fandom.com (fan wiki). Game art belongs to the developer.
Steal An Egg Wiki · Koi is licensed CC BY-SA 3.0. Game content and images belong to the game's developer. We are not affiliated with Roblox or the developer.
How Koi compares
Similar Cosmic pets
All Steal An Egg values →Cosmic
Stacked Turtle
12M/sBase income
- Found in
- Dr. Scramble's Lab (Experimental banner)
- Hatch time
- -
- Egg chance
- -
Mantaris
11M/sBase income
- Found in
- Titan Temple
- Hatch time
- 17m
- Egg chance
- -
Sacred Moth
16M/sBase income
- Found in
- Angels & Demons (Light)
- Hatch time
- -
- Egg chance
- -
Imp
16M/sBase income
- Found in
- Angels & Demons (Dark)
- Hatch time
- -
- Egg chance
- -
Rhinotaur
17.5M/sBase income
- Found in
- Titan Temple
- Hatch time
- 29m
- Egg chance
- -
Questions about Koi
How much is Koi worth in Steal An Egg?
Koi has a base income of 12M/s, which ranks it #91 of 194 in Steal An Egg. Silver 1.2x: 14.4M/s, Bloom 1.25x: 15M/s.
How rare is Koi?
Koi is a Cosmic pet, tier 7 of 11.
Is Citadel Snail #007 better than Koi?
By base income, yes: Citadel Snail #007 is 12.5M/s, about 1.0 times Koi's 12M/s.
How do you get Koi in Steal An Egg?
Koi Egg: Steal a Koi Egg from the nests in the Cherry Blossom biome (they refill every 5 minutes) or from another player's base, then hatch it in your pen. It takes 25m to hatch.
How much does Koi weigh in Steal An Egg?
A normal Koi weighs 120 kg. Heavier ones earn more: at 1,200 kg (10x) it makes about 49.6M/s, and at 15,000 kg (125x) about 236M/s, before colour.
Community data from the Steal An Egg Fandom wiki and several fan sites, which disagree on a few pets (noted on their pages). Four Extinction Egg animals (Terrorbird, Giant Sloth, Dunkleosteus, Gigantus) will be added once their base income is published; their Skeletal versions are listed.