Overview[1]
Boulder is a Divine Secret fish found rarely in Keepers Altar.
Boulder is a fish that can be caught in Keeper’s Altar. Even with it's extremely high rarity, the Boulder will barely move or not even move at all when reeling due to its high resilience. When reeling it in, -99% Locked Progress Speed is applied. When hooked, a will pop above the player's head, and a unique shimmering sound is played - as with all fish.
How to get it
Fish it up around: Keepers Altar.
Stats
- Base Resil
- 50000
- Base Value
- 10
- Base Weight
- 1000
- Base XP
- 50,000
- Location
- Keepers Altar
- Rarity
- Divine Secret
- Set Chance
- 1 in 1,000,000
- Sources
- Fishing Rod
- Weight Range
- 0
- Xp
- 50000
Obtainment
The fish can be by fishing in Keeper's Altar at a fixed 1 in 1,000,000 (0.0001%) chance, and the chance cannot be affected in any way. In addition, Boulder can also be caught at a 1/100000 (0.001%) chance during the Rocks admin event and at a 1/1000 (0.1%) chance during the Super Rockfall Admin Event.
Usage
The Boulder is necessary to finish the first requirement of Dave's quest, which rewards the rarest and hardest to obtain rod in the game with an outstanding chance of getting of the chance of 1 in a million (0.0001%) the Dave Rod the hardest to obtain rod in the game with an outstanding chance of getting of the chance of 1 in a million (0.0001%) the Dave Rod.
Appearance
The Boulder looks like a gigantic rock, sharing the same textures & colors with the normal.
Mutation
Category:Divine Secret Category:Keepers Altar
Value
10C$
What does this mean?
Fisch's in-game currency. A fish's value is its documented average sell price in C$ — what it sells for at its average weight. A rod's value is its documented shop cost. Both are in-game facts from the community wiki, not a trading consensus. Values are not comparable across games.
Opening baselineRecorded
Source: Fisch Wiki (Fandom) · verified Aug 27, 2026
Trivia
Boulder is the rarest fish in the game with a 1/1000000 (0.0001%) chance to be caught, tying with the. With it being the rarest fish, it also comes in first as the rarest, being miles rarer than the 2nd one, the Forbidden Plesiosaur, which is 1 in 500,000 (0.0002%). If you are not talking about the chance, Boulder is rarer than Him due to Him being everywhere but the Boulder only being in Keeper's Altar.
