1.00× this
Rare
Shiverfin HaddockC$354StableSynced yesterday
Source: Fisch Wiki (CC BY-SA 4.0) · Value = in-game sell price, not player trade prices · Last checked Nov 11, 2026
LimitedValue rank #388 of 677
C$355
= C$355 · Normal, average weight
Stable · Synced Nov 11, 2026 · How are values worked out?
Value by mutation
All mutations →Stud Koi is worth about the same as Algae Lurker (C$357) and about the same as Shiverfin Haddock (C$354).
Fish data
RarityLimited
Where to catchLEGO® Event 2025
Average weight122.5 kg
Weight range55 – 399 kg
Sells per kgC$2.895
XP280
Recent changes
Full update log →No change since Nov 9, 2026Stud Koi is still C$355.
Fish with a similar value
Shiverfin HaddockC$3541.0× this
Rare
Algae LurkerC$357StableSynced yesterday
1.0× this
Extinct
Reed StrikerC$357StableSynced yesterday
1.0× this
Limited
Cooler CatfishC$359StableSynced yesterday
What can Stud Koi trade for?
1 × Stud Koi ≈ 2 × Catfish (C$368 vs C$355, 3.7% apart = Fair)Try it in the calculator
1 × Stud Koi ≈ 2 × Lumen Bass (C$368 vs C$355, 3.7% apart = Fair)Try it in the calculator
1 × Stud Koi ≈ 2 × Speartail Pike (C$364 vs C$355, 2.5% apart = Fair)Try it in the calculator
Stud Koi sell price by weight and mutation
C$ at 2.89 C$/kg, using the game's rounding. Mutations are the highest appraisable and event ones; see all multipliers.
| Mutation | × | Lightest55 kg | Average122.5 kg | Heaviest399 kg |
|---|---|---|---|---|
| No mutation | 1 | 159 | 355 | 1,154 |
| Shiny | 1.85 | 295 | 657 | 2,135 |
| Sparkling | 1.85 | 295 | 657 | 2,135 |
| Nightmare | 8.8 | 1,400 | 3,124 | 10,156 |
| Necrotic | 7.4 | 1,177 | 2,627 | 8,540 |
| Shrouded | 7 | 1,113 | 2,485 | 8,078 |
| Wicked | 6.6 | 1,050 | 2,343 | 7,617 |
| Prismatic | 6.5 | 1,034 | 2,308 | 7,501 |
| NightmareFischFright 2025 | 8.8 | 1,400 | 3,124 | 10,156 |
| Jack's CurseFischFright 2025 | 8.5 | 1,352 | 3,018 | 9,809 |
| PopsicleFischfest | 8.16 | 1,298 | 2,897 | 9,417 |
Other fish at LEGO® Event 2025
- Studling Crab · Limited · 120 C$/kg
- Clown Brickfish · Limited · 100 C$/kg
- Studphin · Limited · 77.77 C$/kg
- Cardinal Studfish · Limited · 74.1 C$/kg
- Brickhorse · Limited · 63.63 C$/kg
- Stud Shark · Limited · 46.4 C$/kg
- Stud Turtle · Limited · 40 C$/kg
- Glow Brick · Limited · 26.6 C$/kg
- Goldbrick · Limited · 25 C$/kg
- Azure Studfish · Limited
FAQ
How much is Stud Koi worth in Fisch?
One average Stud Koi is worth about C$355. A Shiny or Sparkling one (×1.85) is C$656, and a Midas one (×2.5) is C$887. The value is the Fisch Wiki's average sell price, so a heavier fish sells for more.
What does Stud Koi sell for at different weights?
At 2.89 C$ per kg, Stud Koi sells for 159 C$ at its lightest weight (55 kg) and 1,154 C$ at its heaviest (399 kg), with no mutation.
Where do you catch Stud Koi in Fisch?
Stud Koi is listed under LEGO® Event 2025. LEGO® Event 2025 has 13 fish in total.
How rare is Stud Koi?
Fisch Wiki lists Stud Koi as Limited and it gives 280 XP. It weighs 55–399 kg.