Most valuable fish at Ancient Archives
- #1 DiplurusLegendary · up to 670 C$ · 5 C$/kg
- #2 PhanerorhynchusRare · up to 379 C$ · 3.22 C$/kg
- #3 BirgeriaUnusual · up to 200 C$ · 1.66 C$/kg
- #4 PalaeoniscumUnusual · up to 162 C$ · 1.8 C$/kg
All 5 fish at Ancient Archives
| Fish | Rarity | C$ / kg | Weight (kg) | Sells for (C$) |
|---|---|---|---|---|
| Diplurus | Legendary | 5 | 108–134 | 540–670 |
| Phanerorhynchus | Rare | 3.22 | 60.9–117.5 | 197–379 |
| Birgeria | Unusual | 1.66 | 67.7–120 | 113–200 |
| Palaeoniscum | Unusual | 1.8 | 10.4–90 | 19–162 |
| Lepidotes | Mythical | — | 121.8–154.1 | avg 1,404.4 |
Fishing at Ancient Archives
The table is sorted by what each fish sells for at its heaviest weight, so the fish worth chasing are at the top. A fish with a low price per kg can still beat a pricier one if it grows much heavier. Open a fish for its mutation price table, or put your own catch into the sell calculator.
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Frequently asked questions
How many fish can you catch at Ancient Archives in Fisch?
Fisch Wiki lists 5 fish for Ancient Archives: 2 Unusual, 1 Rare, 1 Legendary, 1 Mythical.
What is the most valuable fish at Ancient Archives?
Diplurus, which sells for up to 670 C$ at its heaviest weight (134 kg) with no mutation. Phanerorhynchus is next at 379 C$.
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.