1.0× this
Trash
DriftwoodC$10StableSynced yesterday
Source: Fisch Wiki (CC BY-SA 4.0) · Value = in-game sell price, not player trade prices · Last checked Nov 11, 2026
Divine SecretValue rank #667 of 677
C$10
= C$10 · Normal, average weight
Stable · Synced Nov 11, 2026 · How are values worked out?
Value by mutation
All mutations →Fish data
RarityDivine Secret
Where to catchKeepers Altar
Average weight1,000 kg
Weight range1,000 – 1,000 kg
Sells per kgC$0.01
XP50,000
Recent changes
Full update log →No change since Nov 9, 2026Boulder is still C$10.
Fish with a similar value
DriftwoodC$101.0× this
Common
MusselC$10StableSynced yesterday
1.0× this
Gemstone
Radiant CrystalC$10StableSynced yesterday
1.0× this
Common
Sand DollarC$10StableSynced yesterday
What can Boulder trade for?
1 × Boulder ≈ 2 × Colossal Squid (C$10 vs C$10, 0.0% apart = Fair)Try it in the calculator
1 × Boulder ≈ 8 × String (C$10 vs C$10, 4.0% apart = Fair)Try it in the calculator
Boulder sell price by weight and mutation
C$ at 0.01 C$/kg, using the game's rounding. Mutations are the highest appraisable and event ones; see all multipliers.
| Mutation | × | Lightest1,000 kg | Average1,000 kg | Heaviest1,000 kg |
|---|---|---|---|---|
| No mutation | 1 | 10 | 10 | 10 |
| Shiny | 1.85 | 19 | 19 | 19 |
| Sparkling | 1.85 | 19 | 19 | 19 |
| Nightmare | 8.8 | 88 | 88 | 88 |
| Necrotic | 7.4 | 74 | 74 | 74 |
| Shrouded | 7 | 70 | 70 | 70 |
| Wicked | 6.6 | 66 | 66 | 66 |
| Prismatic | 6.5 | 65 | 65 | 65 |
| NightmareFischFright 2025 | 8.8 | 88 | 88 | 88 |
| Jack's CurseFischFright 2025 | 8.5 | 85 | 85 | 85 |
| PopsicleFischfest | 8.16 | 82 | 82 | 82 |
Other fish at Keepers Altar
- Bluefish · Unusual · 72 C$/kg
- Pale Tang · Uncommon · 67 C$/kg
- Umbral Shark · Legendary · 6.45 C$/kg
- Keepers Guardian · Rare · 6.28 C$/kg
- Lapisjack · Rare · 2.8 C$/kg
FAQ
How much is Boulder worth in Fisch?
One average Boulder is worth about C$10. A Shiny or Sparkling one (×1.85) is C$19, and a Midas one (×2.5) is C$25. The value is the Fisch Wiki's average sell price, so a heavier fish sells for more.
What does Boulder sell for at different weights?
At 0.01 C$ per kg, Boulder sells for 10 C$ at its lightest weight (1,000 kg) and 10 C$ at its heaviest (1,000 kg), with no mutation.
Where do you catch Boulder in Fisch?
Boulder is listed under Keepers Altar. Keepers Altar has 6 fish in total.
How rare is Boulder?
Fisch Wiki lists Boulder as Divine Secret and it gives 50,000 XP. It weighs 1,000–1,000 kg.