4 fish at Volcanic Vents. The most valuable is Pyrite Pufferfish, up to 2,755 C$ at its heaviest with no mutation. Prices below are the lightest and heaviest weight with no mutation.
Most valuable fish at Volcanic Vents
- #1 Pyrite PufferfishRare · up to 2,755 C$ · 58 C$/kg
All 4 fish at Volcanic Vents
| Fish | Rarity | C$ / kg | Weight (kg) | Sells for (C$) |
|---|---|---|---|---|
| Pyrite Pufferfish | Rare | 58 | 8–47.5 | 464–2,755 |
| Embertail Eel | Uncommon | — | — | — |
| Inferno Hide | Common | — | — | — |
| Molten Moray | Rare | — | 8–48 | — |
Fishing at Volcanic Vents
The table is sorted by what each fish sells for at its heaviest weight, so the fish worth chasing are at the top. A fish with a low price per kg can still beat a pricier one if it grows much heavier. Open a fish for its mutation price table, or put your own catch into the sell calculator.
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Frequently asked questions
How many fish can you catch at Volcanic Vents in Fisch?
Fisch Wiki lists 4 fish for Volcanic Vents: 1 Common, 1 Uncommon, 2 Rare.
What is the most valuable fish at Volcanic Vents?
Pyrite Pufferfish, which sells for up to 2,755 C$ at its heaviest weight (47.5 kg) with no mutation.
Data from Fisch Wiki (fisch.fandom.com), licensed CC BY-SA 4.0. We reformatted it and added the calculations. Last synced Nov 11, 2026. In-game prices can change with each update, so treat the game as the final word.