Mutation Calculator — all mutations side by side
Is it worth holding out for a Hole fish? Enter any fish's base value and see what it becomes with every mutation — Normal, Gold, Diamond, Venom and Hole — computed side by side.
Hole
—
×20 multiplier
Venom
—
×10 multiplier
Diamond
—
×5 multiplier
Gold
—
×2 multiplier
Normal
—
×1 multiplier
Assumptions: Only mutations with a publicly verified multiplier are computed side by side. Mutations whose multiplier no reliable source documents appear as "Not verified" instead of a guess.
How this tool works
- Enter the fish's base (or in-game shown) sell value.
- Each mutation card shows the multiplied value and the exact gain over normal.
- Bars compare the relative value of every mutation at a glance.
- Only verified multipliers are computed — anything unverified is labeled, never guessed.
FAQ
Which mutation should I hope for?
Hole — it's the strongest known mutation at ×20, ahead of Venom ×10, Diamond ×5 and Gold ×2. Hole spawns rarely but gets roughly +10% spawn chance during Black Hole weather (about 4 minutes).
Do mutation multipliers stack?
No — a fish carries at most one mutation, per all sources. The calculator therefore shows one multiplier per fish.
Are these multipliers official?
No official stat sheet exists — the values are player measurements that three independent guides agree on. We use them with that caveat, and skip any mutation whose value can't be verified.