Overview[1][2]
Forbidden Plesiosaur is a Divine Secret fish found rarely in Tidefall.
The Forbidden Plesiosaur is a fish caught at Tidefall. Due to its high rarity, it makes for a challenging catch, moving erratically across the fishing bar. When reeling it in, -95% locked Progress Speed is inflicted. The Forbidden Plesiosaur has a fixed 0.0002% chance or 1/500,000 to be hooked. When hooked, an exclamation icon will pop above the player's head, and a shimmering sound is played - as with all fish.
How to get it
Fish it up around: Tidefall.
Stats
- Base Resil
- -100
- Base Value
- 68500
- Base Weight
- 300000
- Base XP
- 18,500
- Location
- Tidefall
- Rarity
- Divine Secret
- Set Chance
- 1 in 500,000
- Sources
- Fishing Rod
- Weight Range
- 200000
- Xp
- 18500
Value
45,667C$
What does this mean?
Fisch's in-game currency. A fish's value is its average sale price in C$ at average weight. A rod's value is its listed C$ price, which may be only one part of a crafting requirement. These are game reference figures, not trading consensus. Values are not comparable across games.
Opening baselineRecorded
Source: Official Fisch Wiki · verified Oct 17, 2026
Trivia
This has the lowest serial number out of any others, with it having around 200. This fish even has less copies than the Boulder.






